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Finding the Fourth Proportional to 168,002.30, 252,003.45 and 105,794.30

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Solution

The fourth proportional to 168,002.30, 252,003.45 and 105,794.30 is: 158,691.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,002.30 : 252,003.45 = 105,794.30 : x
  2. Step 2: Convert to fraction form
    168,002.30/252,003.45 = 105,794.30/x
  3. Step 3: Cross multiply
    168,002.30x = 252,003.45 × 105,794.30
  4. Step 4: Simplify right side
    168,002.30x = 26,660,528,590.34
  5. Step 5: Solve for x
    x = 26,660,528,590.34/168,002.30
  6. Step 6: Final answer
    x = 158,691.45

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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.