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Finding the Fourth Proportional to 123,569.76, 185,243.67 and 60,354.12

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Solution

The fourth proportional to 123,569.76, 185,243.67 and 60,354.12 is: 90,476.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,569.76 : 185,243.67 = 60,354.12 : x
  2. Step 2: Convert to fraction form
    123,569.76/185,243.67 = 60,354.12/x
  3. Step 3: Cross multiply
    123,569.76x = 185,243.67 × 60,354.12
  4. Step 4: Simplify right side
    123,569.76x = 11,180,218,688.42
  5. Step 5: Solve for x
    x = 11,180,218,688.42/123,569.76
  6. Step 6: Final answer
    x = 90,476.98

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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.