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Finding the Fourth Proportional to 237,716,917.20, 332,123,439.60 and 237,716,917.20

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Solution

The fourth proportional to 237,716,917.20, 332,123,439.60 and 237,716,917.20 is: 332,123,439.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,716,917.20 : 332,123,439.60 = 237,716,917.20 : x
  2. Step 2: Convert to fraction form
    237,716,917.20/332,123,439.60 = 237,716,917.20/x
  3. Step 3: Cross multiply
    237,716,917.20x = 332,123,439.60 × 237,716,917.20
  4. Step 4: Simplify right side
    237,716,917.20x = 78,951,360,191,572,400
  5. Step 5: Solve for x
    x = 78,951,360,191,572,400/237,716,917.20
  6. Step 6: Final answer
    x = 332,123,439.60

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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.