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Finding the Fourth Proportional to 108,654.78, 163,029 and 58,770

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Solution

The fourth proportional to 108,654.78, 163,029 and 58,770 is: 88,180.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,654.78 : 163,029 = 58,770 : x
  2. Step 2: Convert to fraction form
    108,654.78/163,029 = 58,770/x
  3. Step 3: Cross multiply
    108,654.78x = 163,029 × 58,770
  4. Step 4: Simplify right side
    108,654.78x = 9,581,214,330
  5. Step 5: Solve for x
    x = 9,581,214,330/108,654.78
  6. Step 6: Final answer
    x = 88,180.33

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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.