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Finding the Fourth Proportional to 108,649.30, 162,645.90 and 95,527.30

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Solution

The fourth proportional to 108,649.30, 162,645.90 and 95,527.30 is: 143,002.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,649.30 : 162,645.90 = 95,527.30 : x
  2. Step 2: Convert to fraction form
    108,649.30/162,645.90 = 95,527.30/x
  3. Step 3: Cross multiply
    108,649.30x = 162,645.90 × 95,527.30
  4. Step 4: Simplify right side
    108,649.30x = 15,537,123,683.07
  5. Step 5: Solve for x
    x = 15,537,123,683.07/108,649.30
  6. Step 6: Final answer
    x = 143,002.52

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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.