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Finding the Fourth Proportional to 125,695.95, 173,463.82 and 68,339.13

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Solution

The fourth proportional to 125,695.95, 173,463.82 and 68,339.13 is: 94,309.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,695.95 : 173,463.82 = 68,339.13 : x
  2. Step 2: Convert to fraction form
    125,695.95/173,463.82 = 68,339.13/x
  3. Step 3: Cross multiply
    125,695.95x = 173,463.82 × 68,339.13
  4. Step 4: Simplify right side
    125,695.95x = 11,854,366,108.35
  5. Step 5: Solve for x
    x = 11,854,366,108.35/125,695.95
  6. Step 6: Final answer
    x = 94,309.85

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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.