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Finding the Fourth Proportional to 160,958.80, 241,438.20 and 127,781.20

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Solution

The fourth proportional to 160,958.80, 241,438.20 and 127,781.20 is: 191,671.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,958.80 : 241,438.20 = 127,781.20 : x
  2. Step 2: Convert to fraction form
    160,958.80/241,438.20 = 127,781.20/x
  3. Step 3: Cross multiply
    160,958.80x = 241,438.20 × 127,781.20
  4. Step 4: Simplify right side
    160,958.80x = 30,851,262,921.84
  5. Step 5: Solve for x
    x = 30,851,262,921.84/160,958.80
  6. Step 6: Final answer
    x = 191,671.80

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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.