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Finding the Fourth Proportional to 160,517.23, 240,843.05 and 70,513.52

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Solution

The fourth proportional to 160,517.23, 240,843.05 and 70,513.52 is: 105,799.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,517.23 : 240,843.05 = 70,513.52 : x
  2. Step 2: Convert to fraction form
    160,517.23/240,843.05 = 70,513.52/x
  3. Step 3: Cross multiply
    160,517.23x = 240,843.05 × 70,513.52
  4. Step 4: Simplify right side
    160,517.23x = 16,982,691,223.04
  5. Step 5: Solve for x
    x = 16,982,691,223.04/160,517.23
  6. Step 6: Final answer
    x = 105,799.80

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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.