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Finding the Fourth Proportional to 124,061.79, 171,204.80 and 67,474.11

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Solution

The fourth proportional to 124,061.79, 171,204.80 and 67,474.11 is: 93,114.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,061.79 : 171,204.80 = 67,474.11 : x
  2. Step 2: Convert to fraction form
    124,061.79/171,204.80 = 67,474.11/x
  3. Step 3: Cross multiply
    124,061.79x = 171,204.80 × 67,474.11
  4. Step 4: Simplify right side
    124,061.79x = 11,551,891,170.36
  5. Step 5: Solve for x
    x = 11,551,891,170.36/124,061.79
  6. Step 6: Final answer
    x = 93,114.01

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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.