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Finding the Fourth Proportional to 125,511.70, 188,267.55 and 58,997.74

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Solution

The fourth proportional to 125,511.70, 188,267.55 and 58,997.74 is: 88,496.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,511.70 : 188,267.55 = 58,997.74 : x
  2. Step 2: Convert to fraction form
    125,511.70/188,267.55 = 58,997.74/x
  3. Step 3: Cross multiply
    125,511.70x = 188,267.55 × 58,997.74
  4. Step 4: Simplify right side
    125,511.70x = 11,107,359,965.34
  5. Step 5: Solve for x
    x = 11,107,359,965.34/125,511.70
  6. Step 6: Final answer
    x = 88,496.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.