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Finding the Fourth Proportional to 124,249.65, 171,466.47 and 67,660.98

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Solution

The fourth proportional to 124,249.65, 171,466.47 and 67,660.98 is: 93,373.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,249.65 : 171,466.47 = 67,660.98 : x
  2. Step 2: Convert to fraction form
    124,249.65/171,466.47 = 67,660.98/x
  3. Step 3: Cross multiply
    124,249.65x = 171,466.47 × 67,660.98
  4. Step 4: Simplify right side
    124,249.65x = 11,601,589,397.34
  5. Step 5: Solve for x
    x = 11,601,589,397.34/124,249.65
  6. Step 6: Final answer
    x = 93,373.22

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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.