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Finding the Fourth Proportional to 173,404.94, 260,132.20 and 53,472.04

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Solution

The fourth proportional to 173,404.94, 260,132.20 and 53,472.04 is: 80,215.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,404.94 : 260,132.20 = 53,472.04 : x
  2. Step 2: Convert to fraction form
    173,404.94/260,132.20 = 53,472.04/x
  3. Step 3: Cross multiply
    173,404.94x = 260,132.20 × 53,472.04
  4. Step 4: Simplify right side
    173,404.94x = 13,909,799,403.69
  5. Step 5: Solve for x
    x = 13,909,799,403.69/173,404.94
  6. Step 6: Final answer
    x = 80,215.70

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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.