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Finding the Fourth Proportional to 108,398.20, 162,597.30 and 29,512.30

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Solution

The fourth proportional to 108,398.20, 162,597.30 and 29,512.30 is: 44,268.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,398.20 : 162,597.30 = 29,512.30 : x
  2. Step 2: Convert to fraction form
    108,398.20/162,597.30 = 29,512.30/x
  3. Step 3: Cross multiply
    108,398.20x = 162,597.30 × 29,512.30
  4. Step 4: Simplify right side
    108,398.20x = 4,798,620,296.79
  5. Step 5: Solve for x
    x = 4,798,620,296.79/108,398.20
  6. Step 6: Final answer
    x = 44,268.45

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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.