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Finding the Fourth Proportional to 108,899.70, 163,324.90 and 41,407.65

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Solution

The fourth proportional to 108,899.70, 163,324.90 and 41,407.65 is: 62,102.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,899.70 : 163,324.90 = 41,407.65 : x
  2. Step 2: Convert to fraction form
    108,899.70/163,324.90 = 41,407.65/x
  3. Step 3: Cross multiply
    108,899.70x = 163,324.90 × 41,407.65
  4. Step 4: Simplify right side
    108,899.70x = 6,762,900,295.49
  5. Step 5: Solve for x
    x = 6,762,900,295.49/108,899.70
  6. Step 6: Final answer
    x = 62,102.10

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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.