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Finding the Fourth Proportional to 117,482.38, 162,121.33 and 63,766.24

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Solution

The fourth proportional to 117,482.38, 162,121.33 and 63,766.24 is: 87,995.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,482.38 : 162,121.33 = 63,766.24 : x
  2. Step 2: Convert to fraction form
    117,482.38/162,121.33 = 63,766.24/x
  3. Step 3: Cross multiply
    117,482.38x = 162,121.33 × 63,766.24
  4. Step 4: Simplify right side
    117,482.38x = 10,337,867,637.90
  5. Step 5: Solve for x
    x = 10,337,867,637.90/117,482.38
  6. Step 6: Final answer
    x = 87,995.05

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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.