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Finding the Fourth Proportional to 252,863.44, 348,961.57 and 145,433.34

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Solution

The fourth proportional to 252,863.44, 348,961.57 and 145,433.34 is: 200,703.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,863.44 : 348,961.57 = 145,433.34 : x
  2. Step 2: Convert to fraction form
    252,863.44/348,961.57 = 145,433.34/x
  3. Step 3: Cross multiply
    252,863.44x = 348,961.57 × 145,433.34
  4. Step 4: Simplify right side
    252,863.44x = 50,750,646,293.16
  5. Step 5: Solve for x
    x = 50,750,646,293.16/252,863.44
  6. Step 6: Final answer
    x = 200,703.77

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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.