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Finding the Fourth Proportional to 168,001.70, 252,002.55 and 101,516.90

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Solution

The fourth proportional to 168,001.70, 252,002.55 and 101,516.90 is: 152,275.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,001.70 : 252,002.55 = 101,516.90 : x
  2. Step 2: Convert to fraction form
    168,001.70/252,002.55 = 101,516.90/x
  3. Step 3: Cross multiply
    168,001.70x = 252,002.55 × 101,516.90
  4. Step 4: Simplify right side
    168,001.70x = 25,582,517,668.10
  5. Step 5: Solve for x
    x = 25,582,517,668.10/168,001.70
  6. Step 6: Final answer
    x = 152,275.35

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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.