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Finding the Fourth Proportional to 100,046.90, 150,070.59 and 40,882.57

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Solution

The fourth proportional to 100,046.90, 150,070.59 and 40,882.57 is: 61,323.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,046.90 : 150,070.59 = 40,882.57 : x
  2. Step 2: Convert to fraction form
    100,046.90/150,070.59 = 40,882.57/x
  3. Step 3: Cross multiply
    100,046.90x = 150,070.59 × 40,882.57
  4. Step 4: Simplify right side
    100,046.90x = 6,135,271,025.44
  5. Step 5: Solve for x
    x = 6,135,271,025.44/100,046.90
  6. Step 6: Final answer
    x = 61,323.95

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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.