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Finding the Fourth Proportional to 89,843.40, 134,781.30 and 37,258.20

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Solution

The fourth proportional to 89,843.40, 134,781.30 and 37,258.20 is: 55,894.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,843.40 : 134,781.30 = 37,258.20 : x
  2. Step 2: Convert to fraction form
    89,843.40/134,781.30 = 37,258.20/x
  3. Step 3: Cross multiply
    89,843.40x = 134,781.30 × 37,258.20
  4. Step 4: Simplify right side
    89,843.40x = 5,021,708,631.66
  5. Step 5: Solve for x
    x = 5,021,708,631.66/89,843.40
  6. Step 6: Final answer
    x = 55,894.02

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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.