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Finding the Fourth Proportional to 108,970.62, 163,151.42 and 58,871.23

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Solution

The fourth proportional to 108,970.62, 163,151.42 and 58,871.23 is: 88,142.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,970.62 : 163,151.42 = 58,871.23 : x
  2. Step 2: Convert to fraction form
    108,970.62/163,151.42 = 58,871.23/x
  3. Step 3: Cross multiply
    108,970.62x = 163,151.42 × 58,871.23
  4. Step 4: Simplify right side
    108,970.62x = 9,604,924,528.28
  5. Step 5: Solve for x
    x = 9,604,924,528.28/108,970.62
  6. Step 6: Final answer
    x = 88,142.33

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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.