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Finding the Fourth Proportional to 124,559.73, 171,892.90 and 67,971.11

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Solution

The fourth proportional to 124,559.73, 171,892.90 and 67,971.11 is: 93,800.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,559.73 : 171,892.90 = 67,971.11 : x
  2. Step 2: Convert to fraction form
    124,559.73/171,892.90 = 67,971.11/x
  3. Step 3: Cross multiply
    124,559.73x = 171,892.90 × 67,971.11
  4. Step 4: Simplify right side
    124,559.73x = 11,683,750,439.62
  5. Step 5: Solve for x
    x = 11,683,750,439.62/124,559.73
  6. Step 6: Final answer
    x = 93,800.38

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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.