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Finding the Fourth Proportional to 125,995.56, 173,843.64 and 71,535.66

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Solution

The fourth proportional to 125,995.56, 173,843.64 and 71,535.66 is: 98,702.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,995.56 : 173,843.64 = 71,535.66 : x
  2. Step 2: Convert to fraction form
    125,995.56/173,843.64 = 71,535.66/x
  3. Step 3: Cross multiply
    125,995.56x = 173,843.64 × 71,535.66
  4. Step 4: Simplify right side
    125,995.56x = 12,436,019,524.20
  5. Step 5: Solve for x
    x = 12,436,019,524.20/125,995.56
  6. Step 6: Final answer
    x = 98,702.05

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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.