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Finding the Fourth Proportional to 160,200.90, 240,228.45 and 85,301.82

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Solution

The fourth proportional to 160,200.90, 240,228.45 and 85,301.82 is: 127,913.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,200.90 : 240,228.45 = 85,301.82 : x
  2. Step 2: Convert to fraction form
    160,200.90/240,228.45 = 85,301.82/x
  3. Step 3: Cross multiply
    160,200.90x = 240,228.45 × 85,301.82
  4. Step 4: Simplify right side
    160,200.90x = 20,491,924,000.78
  5. Step 5: Solve for x
    x = 20,491,924,000.78/160,200.90
  6. Step 6: Final answer
    x = 127,913.91

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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.