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Finding the Fourth Proportional to 125,801.10, 188,373.60 and 119,896.20

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Solution

The fourth proportional to 125,801.10, 188,373.60 and 119,896.20 is: 179,531.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,801.10 : 188,373.60 = 119,896.20 : x
  2. Step 2: Convert to fraction form
    125,801.10/188,373.60 = 119,896.20/x
  3. Step 3: Cross multiply
    125,801.10x = 188,373.60 × 119,896.20
  4. Step 4: Simplify right side
    125,801.10x = 22,585,278,820.32
  5. Step 5: Solve for x
    x = 22,585,278,820.32/125,801.10
  6. Step 6: Final answer
    x = 179,531.65

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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.