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Finding the Fourth Proportional to 114,967.75, 158,652.24 and 63,979.67

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Solution

The fourth proportional to 114,967.75, 158,652.24 and 63,979.67 is: 88,290.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,967.75 : 158,652.24 = 63,979.67 : x
  2. Step 2: Convert to fraction form
    114,967.75/158,652.24 = 63,979.67/x
  3. Step 3: Cross multiply
    114,967.75x = 158,652.24 × 63,979.67
  4. Step 4: Simplify right side
    114,967.75x = 10,150,517,959.96
  5. Step 5: Solve for x
    x = 10,150,517,959.96/114,967.75
  6. Step 6: Final answer
    x = 88,290.13

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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.