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Finding the Fourth Proportional to 159,494.40, 239,270.76 and 66,007.44

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Solution

The fourth proportional to 159,494.40, 239,270.76 and 66,007.44 is: 99,023.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,494.40 : 239,270.76 = 66,007.44 : x
  2. Step 2: Convert to fraction form
    159,494.40/239,270.76 = 66,007.44/x
  3. Step 3: Cross multiply
    159,494.40x = 239,270.76 × 66,007.44
  4. Step 4: Simplify right side
    159,494.40x = 15,793,650,334.45
  5. Step 5: Solve for x
    x = 15,793,650,334.45/159,494.40
  6. Step 6: Final answer
    x = 99,023.23

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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.