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Finding the Fourth Proportional to 84,488.34, 116,591.60 and 48,188.97

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Solution

The fourth proportional to 84,488.34, 116,591.60 and 48,188.97 is: 66,499.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,488.34 : 116,591.60 = 48,188.97 : x
  2. Step 2: Convert to fraction form
    84,488.34/116,591.60 = 48,188.97/x
  3. Step 3: Cross multiply
    84,488.34x = 116,591.60 × 48,188.97
  4. Step 4: Simplify right side
    84,488.34x = 5,618,428,290.75
  5. Step 5: Solve for x
    x = 5,618,428,290.75/84,488.34
  6. Step 6: Final answer
    x = 66,499.45

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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.