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Finding the Fourth Proportional to 98,593.20, 147,904.56 and 36,258.96

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Solution

The fourth proportional to 98,593.20, 147,904.56 and 36,258.96 is: 54,393.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,593.20 : 147,904.56 = 36,258.96 : x
  2. Step 2: Convert to fraction form
    98,593.20/147,904.56 = 36,258.96/x
  3. Step 3: Cross multiply
    98,593.20x = 147,904.56 × 36,258.96
  4. Step 4: Simplify right side
    98,593.20x = 5,362,865,524.86
  5. Step 5: Solve for x
    x = 5,362,865,524.86/98,593.20
  6. Step 6: Final answer
    x = 54,393.87

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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.