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Finding the Fourth Proportional to 106,788.93, 160,432.55 and 62,446.90

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Solution

The fourth proportional to 106,788.93, 160,432.55 and 62,446.90 is: 93,816.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,788.93 : 160,432.55 = 62,446.90 : x
  2. Step 2: Convert to fraction form
    106,788.93/160,432.55 = 62,446.90/x
  3. Step 3: Cross multiply
    106,788.93x = 160,432.55 × 62,446.90
  4. Step 4: Simplify right side
    106,788.93x = 10,018,515,228.27
  5. Step 5: Solve for x
    x = 10,018,515,228.27/106,788.93
  6. Step 6: Final answer
    x = 93,816.04

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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.