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Finding the Fourth Proportional to 108,894.38, 163,347.71 and 38,773.69

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Solution

The fourth proportional to 108,894.38, 163,347.71 and 38,773.69 is: 58,162.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,894.38 : 163,347.71 = 38,773.69 : x
  2. Step 2: Convert to fraction form
    108,894.38/163,347.71 = 38,773.69/x
  3. Step 3: Cross multiply
    108,894.38x = 163,347.71 × 38,773.69
  4. Step 4: Simplify right side
    108,894.38x = 6,333,593,194.67
  5. Step 5: Solve for x
    x = 6,333,593,194.67/108,894.38
  6. Step 6: Final answer
    x = 58,162.72

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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.