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Finding the Fourth Proportional to 247,513.01, 341,568.11 and 134,335.76

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Solution

The fourth proportional to 247,513.01, 341,568.11 and 134,335.76 is: 185,383.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,513.01 : 341,568.11 = 134,335.76 : x
  2. Step 2: Convert to fraction form
    247,513.01/341,568.11 = 134,335.76/x
  3. Step 3: Cross multiply
    247,513.01x = 341,568.11 × 134,335.76
  4. Step 4: Simplify right side
    247,513.01x = 45,884,810,976.93
  5. Step 5: Solve for x
    x = 45,884,810,976.93/247,513.01
  6. Step 6: Final answer
    x = 185,383.43

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1.5x scale

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.