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Finding the Fourth Proportional to 114,920.38, 158,587.08 and 63,930.46

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Solution

The fourth proportional to 114,920.38, 158,587.08 and 63,930.46 is: 88,222.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,920.38 : 158,587.08 = 63,930.46 : x
  2. Step 2: Convert to fraction form
    114,920.38/158,587.08 = 63,930.46/x
  3. Step 3: Cross multiply
    114,920.38x = 158,587.08 × 63,930.46
  4. Step 4: Simplify right side
    114,920.38x = 10,138,544,974.46
  5. Step 5: Solve for x
    x = 10,138,544,974.46/114,920.38
  6. Step 6: Final answer
    x = 88,222.34

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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.