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Finding the Fourth Proportional to 159,617.13, 239,264.10 and 103,492.77

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Solution

The fourth proportional to 159,617.13, 239,264.10 and 103,492.77 is: 155,134.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,617.13 : 239,264.10 = 103,492.77 : x
  2. Step 2: Convert to fraction form
    159,617.13/239,264.10 = 103,492.77/x
  3. Step 3: Cross multiply
    159,617.13x = 239,264.10 × 103,492.77
  4. Step 4: Simplify right side
    159,617.13x = 24,762,104,470.56
  5. Step 5: Solve for x
    x = 24,762,104,470.56/159,617.13
  6. Step 6: Final answer
    x = 155,134.38

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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.