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Finding the Fourth Proportional to 165,149.68, 227,905.56 and 89,697.52

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Solution

The fourth proportional to 165,149.68, 227,905.56 and 89,697.52 is: 123,782.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,149.68 : 227,905.56 = 89,697.52 : x
  2. Step 2: Convert to fraction form
    165,149.68/227,905.56 = 89,697.52/x
  3. Step 3: Cross multiply
    165,149.68x = 227,905.56 × 89,697.52
  4. Step 4: Simplify right side
    165,149.68x = 20,442,563,526.21
  5. Step 5: Solve for x
    x = 20,442,563,526.21/165,149.68
  6. Step 6: Final answer
    x = 123,782.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.