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Finding the Fourth Proportional to 247,517.64, 341,316.12 and 146,896.20

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Solution

The fourth proportional to 247,517.64, 341,316.12 and 146,896.20 is: 202,563.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,517.64 : 341,316.12 = 146,896.20 : x
  2. Step 2: Convert to fraction form
    247,517.64/341,316.12 = 146,896.20/x
  3. Step 3: Cross multiply
    247,517.64x = 341,316.12 × 146,896.20
  4. Step 4: Simplify right side
    247,517.64x = 50,138,041,026.74
  5. Step 5: Solve for x
    x = 50,138,041,026.74/247,517.64
  6. Step 6: Final answer
    x = 202,563.51

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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.