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Finding the Fourth Proportional to 108,487.89, 162,731.63 and 29,601.99

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Solution

The fourth proportional to 108,487.89, 162,731.63 and 29,601.99 is: 44,402.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,487.89 : 162,731.63 = 29,601.99 : x
  2. Step 2: Convert to fraction form
    108,487.89/162,731.63 = 29,601.99/x
  3. Step 3: Cross multiply
    108,487.89x = 162,731.63 × 29,601.99
  4. Step 4: Simplify right side
    108,487.89x = 4,817,180,157.95
  5. Step 5: Solve for x
    x = 4,817,180,157.95/108,487.89
  6. Step 6: Final answer
    x = 44,402.93

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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.