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Finding the Fourth Proportional to 124,040.16, 171,174.24 and 67,452

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Solution

The fourth proportional to 124,040.16, 171,174.24 and 67,452 is: 93,083.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,040.16 : 171,174.24 = 67,452 : x
  2. Step 2: Convert to fraction form
    124,040.16/171,174.24 = 67,452/x
  3. Step 3: Cross multiply
    124,040.16x = 171,174.24 × 67,452
  4. Step 4: Simplify right side
    124,040.16x = 11,546,044,836.48
  5. Step 5: Solve for x
    x = 11,546,044,836.48/124,040.16
  6. Step 6: Final answer
    x = 93,083.12

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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.