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Finding the Fourth Proportional to 108,884.60, 163,341.48 and 38,764.52

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Solution

The fourth proportional to 108,884.60, 163,341.48 and 38,764.52 is: 58,151.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,884.60 : 163,341.48 = 38,764.52 : x
  2. Step 2: Convert to fraction form
    108,884.60/163,341.48 = 38,764.52/x
  3. Step 3: Cross multiply
    108,884.60x = 163,341.48 × 38,764.52
  4. Step 4: Simplify right side
    108,884.60x = 6,331,854,068.29
  5. Step 5: Solve for x
    x = 6,331,854,068.29/108,884.60
  6. Step 6: Final answer
    x = 58,151.97

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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.