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Finding the Fourth Proportional to 252,454.80, 348,404.52 and 145,059.60

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Solution

The fourth proportional to 252,454.80, 348,404.52 and 145,059.60 is: 200,191.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,454.80 : 348,404.52 = 145,059.60 : x
  2. Step 2: Convert to fraction form
    252,454.80/348,404.52 = 145,059.60/x
  3. Step 3: Cross multiply
    252,454.80x = 348,404.52 × 145,059.60
  4. Step 4: Simplify right side
    252,454.80x = 50,539,420,309.39
  5. Step 5: Solve for x
    x = 50,539,420,309.39/252,454.80
  6. Step 6: Final answer
    x = 200,191.96

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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.