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Finding the Fourth Proportional to 125,512.88, 173,061.44 and 93,626.42

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Solution

The fourth proportional to 125,512.88, 173,061.44 and 93,626.42 is: 129,095.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,512.88 : 173,061.44 = 93,626.42 : x
  2. Step 2: Convert to fraction form
    125,512.88/173,061.44 = 93,626.42/x
  3. Step 3: Cross multiply
    125,512.88x = 173,061.44 × 93,626.42
  4. Step 4: Simplify right side
    125,512.88x = 16,203,122,166.46
  5. Step 5: Solve for x
    x = 16,203,122,166.46/125,512.88
  6. Step 6: Final answer
    x = 129,095.30

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1.5x scale

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.