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Finding the Fourth Proportional to 114,697.60, 172,046.40 and 88,453.60

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Solution

The fourth proportional to 114,697.60, 172,046.40 and 88,453.60 is: 132,680.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,697.60 : 172,046.40 = 88,453.60 : x
  2. Step 2: Convert to fraction form
    114,697.60/172,046.40 = 88,453.60/x
  3. Step 3: Cross multiply
    114,697.60x = 172,046.40 × 88,453.60
  4. Step 4: Simplify right side
    114,697.60x = 15,218,123,447.04
  5. Step 5: Solve for x
    x = 15,218,123,447.04/114,697.60
  6. Step 6: Final answer
    x = 132,680.40

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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.