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Finding the Fourth Proportional to 107,166.20, 160,700.70 and 40,584.20

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Solution

The fourth proportional to 107,166.20, 160,700.70 and 40,584.20 is: 60,857.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,166.20 : 160,700.70 = 40,584.20 : x
  2. Step 2: Convert to fraction form
    107,166.20/160,700.70 = 40,584.20/x
  3. Step 3: Cross multiply
    107,166.20x = 160,700.70 × 40,584.20
  4. Step 4: Simplify right side
    107,166.20x = 6,521,909,348.94
  5. Step 5: Solve for x
    x = 6,521,909,348.94/107,166.20
  6. Step 6: Final answer
    x = 60,857.90

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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.