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Finding the Fourth Proportional to 124,882.58, 172,337.87 and 68,293.94

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Solution

The fourth proportional to 124,882.58, 172,337.87 and 68,293.94 is: 94,245.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,882.58 : 172,337.87 = 68,293.94 : x
  2. Step 2: Convert to fraction form
    124,882.58/172,337.87 = 68,293.94/x
  3. Step 3: Cross multiply
    124,882.58x = 172,337.87 × 68,293.94
  4. Step 4: Simplify right side
    124,882.58x = 11,769,631,812.04
  5. Step 5: Solve for x
    x = 11,769,631,812.04/124,882.58
  6. Step 6: Final answer
    x = 94,245.59

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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.