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Finding the Fourth Proportional to 108,644.69, 163,013.85 and 58,759.91

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Solution

The fourth proportional to 108,644.69, 163,013.85 and 58,759.91 is: 88,165.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,644.69 : 163,013.85 = 58,759.91 : x
  2. Step 2: Convert to fraction form
    108,644.69/163,013.85 = 58,759.91/x
  3. Step 3: Cross multiply
    108,644.69x = 163,013.85 × 58,759.91
  4. Step 4: Simplify right side
    108,644.69x = 9,578,678,740.40
  5. Step 5: Solve for x
    x = 9,578,678,740.40/108,644.69
  6. Step 6: Final answer
    x = 88,165.18

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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.