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Finding the Fourth Proportional to 72,932.67, 109,222.65 and 60,360.17

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Solution

The fourth proportional to 72,932.67, 109,222.65 and 60,360.17 is: 90,394.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,932.67 : 109,222.65 = 60,360.17 : x
  2. Step 2: Convert to fraction form
    72,932.67/109,222.65 = 60,360.17/x
  3. Step 3: Cross multiply
    72,932.67x = 109,222.65 × 60,360.17
  4. Step 4: Simplify right side
    72,932.67x = 6,592,697,175.74
  5. Step 5: Solve for x
    x = 6,592,697,175.74/72,932.67
  6. Step 6: Final answer
    x = 90,394.29

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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.