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Finding the Fourth Proportional to 168,000.60, 252,000.90 and 101,645.40

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Solution

The fourth proportional to 168,000.60, 252,000.90 and 101,645.40 is: 152,468.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,000.60 : 252,000.90 = 101,645.40 : x
  2. Step 2: Convert to fraction form
    168,000.60/252,000.90 = 101,645.40/x
  3. Step 3: Cross multiply
    168,000.60x = 252,000.90 × 101,645.40
  4. Step 4: Simplify right side
    168,000.60x = 25,614,732,280.86
  5. Step 5: Solve for x
    x = 25,614,732,280.86/168,000.60
  6. Step 6: Final answer
    x = 152,468.10

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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.