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Finding the Fourth Proportional to 84,750.65, 116,947.90 and 50,758.52

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Solution

The fourth proportional to 84,750.65, 116,947.90 and 50,758.52 is: 70,041.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,750.65 : 116,947.90 = 50,758.52 : x
  2. Step 2: Convert to fraction form
    84,750.65/116,947.90 = 50,758.52/x
  3. Step 3: Cross multiply
    84,750.65x = 116,947.90 × 50,758.52
  4. Step 4: Simplify right side
    84,750.65x = 5,936,101,609.47
  5. Step 5: Solve for x
    x = 5,936,101,609.47/84,750.65
  6. Step 6: Final answer
    x = 70,041.96

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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.