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Finding the Fourth Proportional to 108,458.53, 162,649.68 and 32,534.43

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Solution

The fourth proportional to 108,458.53, 162,649.68 and 32,534.43 is: 48,790.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,458.53 : 162,649.68 = 32,534.43 : x
  2. Step 2: Convert to fraction form
    108,458.53/162,649.68 = 32,534.43/x
  3. Step 3: Cross multiply
    108,458.53x = 162,649.68 × 32,534.43
  4. Step 4: Simplify right side
    108,458.53x = 5,291,713,815.23
  5. Step 5: Solve for x
    x = 5,291,713,815.23/108,458.53
  6. Step 6: Final answer
    x = 48,790.21

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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.