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Finding the Fourth Proportional to 108,407.70, 162,680.96 and 58,522.54

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Solution

The fourth proportional to 108,407.70, 162,680.96 and 58,522.54 is: 87,821.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,407.70 : 162,680.96 = 58,522.54 : x
  2. Step 2: Convert to fraction form
    108,407.70/162,680.96 = 58,522.54/x
  3. Step 3: Cross multiply
    108,407.70x = 162,680.96 × 58,522.54
  4. Step 4: Simplify right side
    108,407.70x = 9,520,502,988.84
  5. Step 5: Solve for x
    x = 9,520,502,988.84/108,407.70
  6. Step 6: Final answer
    x = 87,821.28

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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.