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Finding the Fourth Proportional to 173,792.18, 260,729.87 and 72,533.92

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Solution

The fourth proportional to 173,792.18, 260,729.87 and 72,533.92 is: 108,818.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,792.18 : 260,729.87 = 72,533.92 : x
  2. Step 2: Convert to fraction form
    173,792.18/260,729.87 = 72,533.92/x
  3. Step 3: Cross multiply
    173,792.18x = 260,729.87 × 72,533.92
  4. Step 4: Simplify right side
    173,792.18x = 18,911,758,517.70
  5. Step 5: Solve for x
    x = 18,911,758,517.70/173,792.18
  6. Step 6: Final answer
    x = 108,818.24

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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.