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Finding the Fourth Proportional to 108,753.48, 163,098.88 and 29,870.28

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Solution

The fourth proportional to 108,753.48, 163,098.88 and 29,870.28 is: 44,796.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,753.48 : 163,098.88 = 29,870.28 : x
  2. Step 2: Convert to fraction form
    108,753.48/163,098.88 = 29,870.28/x
  3. Step 3: Cross multiply
    108,753.48x = 163,098.88 × 29,870.28
  4. Step 4: Simplify right side
    108,753.48x = 4,871,809,213.29
  5. Step 5: Solve for x
    x = 4,871,809,213.29/108,753.48
  6. Step 6: Final answer
    x = 44,796.81

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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.