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Finding the Fourth Proportional to 124,603.28, 171,952.49 and 68,014.66

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Solution

The fourth proportional to 124,603.28, 171,952.49 and 68,014.66 is: 93,860.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,603.28 : 171,952.49 = 68,014.66 : x
  2. Step 2: Convert to fraction form
    124,603.28/171,952.49 = 68,014.66/x
  3. Step 3: Cross multiply
    124,603.28x = 171,952.49 × 68,014.66
  4. Step 4: Simplify right side
    124,603.28x = 11,695,289,373.55
  5. Step 5: Solve for x
    x = 11,695,289,373.55/124,603.28
  6. Step 6: Final answer
    x = 93,860.20

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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.