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Finding the Fourth Proportional to 124,173.86, 171,360.70 and 67,585.82

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Solution

The fourth proportional to 124,173.86, 171,360.70 and 67,585.82 is: 93,268.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,173.86 : 171,360.70 = 67,585.82 : x
  2. Step 2: Convert to fraction form
    124,173.86/171,360.70 = 67,585.82/x
  3. Step 3: Cross multiply
    124,173.86x = 171,360.70 × 67,585.82
  4. Step 4: Simplify right side
    124,173.86x = 11,581,553,425.27
  5. Step 5: Solve for x
    x = 11,581,553,425.27/124,173.86
  6. Step 6: Final answer
    x = 93,268.85

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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.