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Finding the Fourth Proportional to 252,015.80, 378,023.70 and 94,211.60

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Solution

The fourth proportional to 252,015.80, 378,023.70 and 94,211.60 is: 141,317.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,015.80 : 378,023.70 = 94,211.60 : x
  2. Step 2: Convert to fraction form
    252,015.80/378,023.70 = 94,211.60/x
  3. Step 3: Cross multiply
    252,015.80x = 378,023.70 × 94,211.60
  4. Step 4: Simplify right side
    252,015.80x = 35,614,217,614.92
  5. Step 5: Solve for x
    x = 35,614,217,614.92/252,015.80
  6. Step 6: Final answer
    x = 141,317.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.