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Finding the Fourth Proportional to 243,767.28, 365,659.06 and 83,841.68

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Solution

The fourth proportional to 243,767.28, 365,659.06 and 83,841.68 is: 125,765.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,767.28 : 365,659.06 = 83,841.68 : x
  2. Step 2: Convert to fraction form
    243,767.28/365,659.06 = 83,841.68/x
  3. Step 3: Cross multiply
    243,767.28x = 365,659.06 × 83,841.68
  4. Step 4: Simplify right side
    243,767.28x = 30,657,469,897.62
  5. Step 5: Solve for x
    x = 30,657,469,897.62/243,767.28
  6. Step 6: Final answer
    x = 125,765.32

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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.