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Finding the Fourth Proportional to 121,593.93, 167,792.65 and 67,882.35

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Solution

The fourth proportional to 121,593.93, 167,792.65 and 67,882.35 is: 93,673.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,593.93 : 167,792.65 = 67,882.35 : x
  2. Step 2: Convert to fraction form
    121,593.93/167,792.65 = 67,882.35/x
  3. Step 3: Cross multiply
    121,593.93x = 167,792.65 × 67,882.35
  4. Step 4: Simplify right side
    121,593.93x = 11,390,159,854.24
  5. Step 5: Solve for x
    x = 11,390,159,854.24/121,593.93
  6. Step 6: Final answer
    x = 93,673.76

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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.