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Finding the Fourth Proportional to 117,488.90, 162,135.48 and 63,773.90

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Solution

The fourth proportional to 117,488.90, 162,135.48 and 63,773.90 is: 88,008.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,488.90 : 162,135.48 = 63,773.90 : x
  2. Step 2: Convert to fraction form
    117,488.90/162,135.48 = 63,773.90/x
  3. Step 3: Cross multiply
    117,488.90x = 162,135.48 × 63,773.90
  4. Step 4: Simplify right side
    117,488.90x = 10,340,011,077.29
  5. Step 5: Solve for x
    x = 10,340,011,077.29/117,488.90
  6. Step 6: Final answer
    x = 88,008.41

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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.