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Finding the Fourth Proportional to 125,468.70, 188,203.32 and 88,195.56

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Solution

The fourth proportional to 125,468.70, 188,203.32 and 88,195.56 is: 132,293.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,468.70 : 188,203.32 = 88,195.56 : x
  2. Step 2: Convert to fraction form
    125,468.70/188,203.32 = 88,195.56/x
  3. Step 3: Cross multiply
    125,468.70x = 188,203.32 × 88,195.56
  4. Step 4: Simplify right side
    125,468.70x = 16,598,697,201.26
  5. Step 5: Solve for x
    x = 16,598,697,201.26/125,468.70
  6. Step 6: Final answer
    x = 132,293.53

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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.