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Finding the Fourth Proportional to 125,952.16, 173,768.36 and 71,472.80

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Solution

The fourth proportional to 125,952.16, 173,768.36 and 71,472.80 is: 98,606.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,952.16 : 173,768.36 = 71,472.80 : x
  2. Step 2: Convert to fraction form
    125,952.16/173,768.36 = 71,472.80/x
  3. Step 3: Cross multiply
    125,952.16x = 173,768.36 × 71,472.80
  4. Step 4: Simplify right side
    125,952.16x = 12,419,711,240.61
  5. Step 5: Solve for x
    x = 12,419,711,240.61/125,952.16
  6. Step 6: Final answer
    x = 98,606.58

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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.