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Finding the Fourth Proportional to 252,581.96, 348,560.80 and 137,859.48

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Solution

The fourth proportional to 252,581.96, 348,560.80 and 137,859.48 is: 190,244.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,581.96 : 348,560.80 = 137,859.48 : x
  2. Step 2: Convert to fraction form
    252,581.96/348,560.80 = 137,859.48/x
  3. Step 3: Cross multiply
    252,581.96x = 348,560.80 × 137,859.48
  4. Step 4: Simplify right side
    252,581.96x = 48,052,410,636.38
  5. Step 5: Solve for x
    x = 48,052,410,636.38/252,581.96
  6. Step 6: Final answer
    x = 190,244.82

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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.