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Finding the Fourth Proportional to 247,711.37, 341,843.69 and 134,534.93

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Solution

The fourth proportional to 247,711.37, 341,843.69 and 134,534.93 is: 185,659.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,711.37 : 341,843.69 = 134,534.93 : x
  2. Step 2: Convert to fraction form
    247,711.37/341,843.69 = 134,534.93/x
  3. Step 3: Cross multiply
    247,711.37x = 341,843.69 × 134,534.93
  4. Step 4: Simplify right side
    247,711.37x = 45,989,915,532.21
  5. Step 5: Solve for x
    x = 45,989,915,532.21/247,711.37
  6. Step 6: Final answer
    x = 185,659.29

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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.