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Finding the Fourth Proportional to 124,433.65, 171,716.24 and 67,845.02

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Solution

The fourth proportional to 124,433.65, 171,716.24 and 67,845.02 is: 93,624.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,433.65 : 171,716.24 = 67,845.02 : x
  2. Step 2: Convert to fraction form
    124,433.65/171,716.24 = 67,845.02/x
  3. Step 3: Cross multiply
    124,433.65x = 171,716.24 × 67,845.02
  4. Step 4: Simplify right side
    124,433.65x = 11,650,091,397.90
  5. Step 5: Solve for x
    x = 11,650,091,397.90/124,433.65
  6. Step 6: Final answer
    x = 93,624.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.