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Finding the Fourth Proportional to 124,060.95, 171,199.17 and 67,472.37

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Solution

The fourth proportional to 124,060.95, 171,199.17 and 67,472.37 is: 93,109.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,060.95 : 171,199.17 = 67,472.37 : x
  2. Step 2: Convert to fraction form
    124,060.95/171,199.17 = 67,472.37/x
  3. Step 3: Cross multiply
    124,060.95x = 171,199.17 × 67,472.37
  4. Step 4: Simplify right side
    124,060.95x = 11,551,213,741.93
  5. Step 5: Solve for x
    x = 11,551,213,741.93/124,060.95
  6. Step 6: Final answer
    x = 93,109.18

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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.