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Finding the Fourth Proportional to 151,751.60, 227,627.40 and 80,892.80

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Solution

The fourth proportional to 151,751.60, 227,627.40 and 80,892.80 is: 121,339.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,751.60 : 227,627.40 = 80,892.80 : x
  2. Step 2: Convert to fraction form
    151,751.60/227,627.40 = 80,892.80/x
  3. Step 3: Cross multiply
    151,751.60x = 227,627.40 × 80,892.80
  4. Step 4: Simplify right side
    151,751.60x = 18,413,417,742.72
  5. Step 5: Solve for x
    x = 18,413,417,742.72/151,751.60
  6. Step 6: Final answer
    x = 121,339.20

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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.