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Finding the Fourth Proportional to 100,397.60, 150,610.50 and 29,325.46

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Solution

The fourth proportional to 100,397.60, 150,610.50 and 29,325.46 is: 43,992.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,397.60 : 150,610.50 = 29,325.46 : x
  2. Step 2: Convert to fraction form
    100,397.60/150,610.50 = 29,325.46/x
  3. Step 3: Cross multiply
    100,397.60x = 150,610.50 × 29,325.46
  4. Step 4: Simplify right side
    100,397.60x = 4,416,721,440.28
  5. Step 5: Solve for x
    x = 4,416,721,440.28/100,397.60
  6. Step 6: Final answer
    x = 43,992.30

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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.