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Finding the Fourth Proportional to 156,666.60, 235,009.01 and 44,337.42

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Solution

The fourth proportional to 156,666.60, 235,009.01 and 44,337.42 is: 66,508.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,666.60 : 235,009.01 = 44,337.42 : x
  2. Step 2: Convert to fraction form
    156,666.60/235,009.01 = 44,337.42/x
  3. Step 3: Cross multiply
    156,666.60x = 235,009.01 × 44,337.42
  4. Step 4: Simplify right side
    156,666.60x = 10,419,693,180.15
  5. Step 5: Solve for x
    x = 10,419,693,180.15/156,666.60
  6. Step 6: Final answer
    x = 66,508.71

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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.