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Finding the Fourth Proportional to 188,532.88, 282,801.56 and 48,287.76

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Solution

The fourth proportional to 188,532.88, 282,801.56 and 48,287.76 is: 72,432.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,532.88 : 282,801.56 = 48,287.76 : x
  2. Step 2: Convert to fraction form
    188,532.88/282,801.56 = 48,287.76/x
  3. Step 3: Cross multiply
    188,532.88x = 282,801.56 × 48,287.76
  4. Step 4: Simplify right side
    188,532.88x = 13,655,853,856.91
  5. Step 5: Solve for x
    x = 13,655,853,856.91/188,532.88
  6. Step 6: Final answer
    x = 72,432.21

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1.5x scale

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.