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Finding the Fourth Proportional to 247,258.31, 341,216.47 and 134,081.15

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Solution

The fourth proportional to 247,258.31, 341,216.47 and 134,081.15 is: 185,031.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,258.31 : 341,216.47 = 134,081.15 : x
  2. Step 2: Convert to fraction form
    247,258.31/341,216.47 = 134,081.15/x
  3. Step 3: Cross multiply
    247,258.31x = 341,216.47 × 134,081.15
  4. Step 4: Simplify right side
    247,258.31x = 45,750,697,717.18
  5. Step 5: Solve for x
    x = 45,750,697,717.18/247,258.31
  6. Step 6: Final answer
    x = 185,031.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.