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Finding the Fourth Proportional to 124,241.52, 171,457.84 and 67,657.04

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Solution

The fourth proportional to 124,241.52, 171,457.84 and 67,657.04 is: 93,369.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,241.52 : 171,457.84 = 67,657.04 : x
  2. Step 2: Convert to fraction form
    124,241.52/171,457.84 = 67,657.04/x
  3. Step 3: Cross multiply
    124,241.52x = 171,457.84 × 67,657.04
  4. Step 4: Simplify right side
    124,241.52x = 11,600,329,939.19
  5. Step 5: Solve for x
    x = 11,600,329,939.19/124,241.52
  6. Step 6: Final answer
    x = 93,369.19

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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.