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Finding the Fourth Proportional to 160,546.71, 240,894.78 and 71,860.21

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Solution

The fourth proportional to 160,546.71, 240,894.78 and 71,860.21 is: 107,823.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,546.71 : 240,894.78 = 71,860.21 : x
  2. Step 2: Convert to fraction form
    160,546.71/240,894.78 = 71,860.21/x
  3. Step 3: Cross multiply
    160,546.71x = 240,894.78 × 71,860.21
  4. Step 4: Simplify right side
    160,546.71x = 17,310,749,478.70
  5. Step 5: Solve for x
    x = 17,310,749,478.70/160,546.71
  6. Step 6: Final answer
    x = 107,823.76

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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.