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Finding the Fourth Proportional to 106,543.28, 159,621.10 and 62,035.10

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Solution

The fourth proportional to 106,543.28, 159,621.10 and 62,035.10 is: 92,939.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,543.28 : 159,621.10 = 62,035.10 : x
  2. Step 2: Convert to fraction form
    106,543.28/159,621.10 = 62,035.10/x
  3. Step 3: Cross multiply
    106,543.28x = 159,621.10 × 62,035.10
  4. Step 4: Simplify right side
    106,543.28x = 9,902,110,900.61
  5. Step 5: Solve for x
    x = 9,902,110,900.61/106,543.28
  6. Step 6: Final answer
    x = 92,939.80

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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.