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Finding the Fourth Proportional to 108,377.71, 162,613.27 and 45,210.27

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Solution

The fourth proportional to 108,377.71, 162,613.27 and 45,210.27 is: 67,834.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,377.71 : 162,613.27 = 45,210.27 : x
  2. Step 2: Convert to fraction form
    108,377.71/162,613.27 = 45,210.27/x
  3. Step 3: Cross multiply
    108,377.71x = 162,613.27 × 45,210.27
  4. Step 4: Simplify right side
    108,377.71x = 7,351,789,842.28
  5. Step 5: Solve for x
    x = 7,351,789,842.28/108,377.71
  6. Step 6: Final answer
    x = 67,834.89

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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.