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Finding the Fourth Proportional to 104,425.64, 156,637.50 and 25,540.20

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Solution

The fourth proportional to 104,425.64, 156,637.50 and 25,540.20 is: 38,310.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,425.64 : 156,637.50 = 25,540.20 : x
  2. Step 2: Convert to fraction form
    104,425.64/156,637.50 = 25,540.20/x
  3. Step 3: Cross multiply
    104,425.64x = 156,637.50 × 25,540.20
  4. Step 4: Simplify right side
    104,425.64x = 4,000,553,077.50
  5. Step 5: Solve for x
    x = 4,000,553,077.50/104,425.64
  6. Step 6: Final answer
    x = 38,310.07

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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.