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Finding the Fourth Proportional to 125,542.56, 188,153.73 and 58,835.55

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Solution

The fourth proportional to 125,542.56, 188,153.73 and 58,835.55 is: 88,178.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,542.56 : 188,153.73 = 58,835.55 : x
  2. Step 2: Convert to fraction form
    125,542.56/188,153.73 = 58,835.55/x
  3. Step 3: Cross multiply
    125,542.56x = 188,153.73 × 58,835.55
  4. Step 4: Simplify right side
    125,542.56x = 11,070,128,189.10
  5. Step 5: Solve for x
    x = 11,070,128,189.10/125,542.56
  6. Step 6: Final answer
    x = 88,178.29

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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.