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Finding the Fourth Proportional to 176,472.40, 264,319.80 and 156,773.20

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Solution

The fourth proportional to 176,472.40, 264,319.80 and 156,773.20 is: 234,814.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,472.40 : 264,319.80 = 156,773.20 : x
  2. Step 2: Convert to fraction form
    176,472.40/264,319.80 = 156,773.20/x
  3. Step 3: Cross multiply
    176,472.40x = 264,319.80 × 156,773.20
  4. Step 4: Simplify right side
    176,472.40x = 41,438,260,869.36
  5. Step 5: Solve for x
    x = 41,438,260,869.36/176,472.40
  6. Step 6: Final answer
    x = 234,814.40

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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.