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Finding the Fourth Proportional to 168,000.90, 252,001.35 and 160,224.90

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Solution

The fourth proportional to 168,000.90, 252,001.35 and 160,224.90 is: 240,337.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,000.90 : 252,001.35 = 160,224.90 : x
  2. Step 2: Convert to fraction form
    168,000.90/252,001.35 = 160,224.90/x
  3. Step 3: Cross multiply
    168,000.90x = 252,001.35 × 160,224.90
  4. Step 4: Simplify right side
    168,000.90x = 40,376,891,103.62
  5. Step 5: Solve for x
    x = 40,376,891,103.62/168,000.90
  6. Step 6: Final answer
    x = 240,337.35

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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.