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Finding the Fourth Proportional to 156,689.90, 235,034.85 and 150,566.30

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Solution

The fourth proportional to 156,689.90, 235,034.85 and 150,566.30 is: 225,849.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,689.90 : 235,034.85 = 150,566.30 : x
  2. Step 2: Convert to fraction form
    156,689.90/235,034.85 = 150,566.30/x
  3. Step 3: Cross multiply
    156,689.90x = 235,034.85 × 150,566.30
  4. Step 4: Simplify right side
    156,689.90x = 35,388,327,735.56
  5. Step 5: Solve for x
    x = 35,388,327,735.56/156,689.90
  6. Step 6: Final answer
    x = 225,849.45

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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.