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Finding the Fourth Proportional to 188,515.02, 282,765.15 and 63,856.02

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Solution

The fourth proportional to 188,515.02, 282,765.15 and 63,856.02 is: 95,781.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,515.02 : 282,765.15 = 63,856.02 : x
  2. Step 2: Convert to fraction form
    188,515.02/282,765.15 = 63,856.02/x
  3. Step 3: Cross multiply
    188,515.02x = 282,765.15 × 63,856.02
  4. Step 4: Simplify right side
    188,515.02x = 18,056,257,073.70
  5. Step 5: Solve for x
    x = 18,056,257,073.70/188,515.02
  6. Step 6: Final answer
    x = 95,781.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.