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Finding the Fourth Proportional to 176,666,471.20, 264,842,113.20 and 68,936,039.20

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Solution

The fourth proportional to 176,666,471.20, 264,842,113.20 and 68,936,039.20 is: 103,342,565.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,666,471.20 : 264,842,113.20 = 68,936,039.20 : x
  2. Step 2: Convert to fraction form
    176,666,471.20/264,842,113.20 = 68,936,039.20/x
  3. Step 3: Cross multiply
    176,666,471.20x = 264,842,113.20 × 68,936,039.20
  4. Step 4: Simplify right side
    176,666,471.20x = 18,257,166,297,366,036
  5. Step 5: Solve for x
    x = 18,257,166,297,366,036/176,666,471.20
  6. Step 6: Final answer
    x = 103,342,565.08

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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.