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Finding the Fourth Proportional to 117,473.58, 162,109.42 and 63,757.52

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Solution

The fourth proportional to 117,473.58, 162,109.42 and 63,757.52 is: 87,983.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,473.58 : 162,109.42 = 63,757.52 : x
  2. Step 2: Convert to fraction form
    117,473.58/162,109.42 = 63,757.52/x
  3. Step 3: Cross multiply
    117,473.58x = 162,109.42 × 63,757.52
  4. Step 4: Simplify right side
    117,473.58x = 10,335,693,617.90
  5. Step 5: Solve for x
    x = 10,335,693,617.90/117,473.58
  6. Step 6: Final answer
    x = 87,983.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.