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Finding the Fourth Proportional to 54,434,134.80, 81,651,202.20 and 54,434,134.80

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Solution

The fourth proportional to 54,434,134.80, 81,651,202.20 and 54,434,134.80 is: 81,651,202.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,434,134.80 : 81,651,202.20 = 54,434,134.80 : x
  2. Step 2: Convert to fraction form
    54,434,134.80/81,651,202.20 = 54,434,134.80/x
  3. Step 3: Cross multiply
    54,434,134.80x = 81,651,202.20 × 54,434,134.80
  4. Step 4: Simplify right side
    54,434,134.80x = 4,444,612,547,136,856.50
  5. Step 5: Solve for x
    x = 4,444,612,547,136,856.50/54,434,134.80
  6. Step 6: Final answer
    x = 81,651,202.20

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.