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Finding the Fourth Proportional to 54,252.70, 76,109.30 and 54,252.70

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Solution

The fourth proportional to 54,252.70, 76,109.30 and 54,252.70 is: 76,109.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,252.70 : 76,109.30 = 54,252.70 : x
  2. Step 2: Convert to fraction form
    54,252.70/76,109.30 = 54,252.70/x
  3. Step 3: Cross multiply
    54,252.70x = 76,109.30 × 54,252.70
  4. Step 4: Simplify right side
    54,252.70x = 4,129,135,020.11
  5. Step 5: Solve for x
    x = 4,129,135,020.11/54,252.70
  6. Step 6: Final answer
    x = 76,109.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.