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Finding the Fourth Proportional to 378,113.60, 567,170.24 and 111,853.44

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Solution

The fourth proportional to 378,113.60, 567,170.24 and 111,853.44 is: 167,780.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,113.60 : 567,170.24 = 111,853.44 : x
  2. Step 2: Convert to fraction form
    378,113.60/567,170.24 = 111,853.44/x
  3. Step 3: Cross multiply
    378,113.60x = 567,170.24 × 111,853.44
  4. Step 4: Simplify right side
    378,113.60x = 63,439,942,409.63
  5. Step 5: Solve for x
    x = 63,439,942,409.63/378,113.60
  6. Step 6: Final answer
    x = 167,780.11

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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.