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Finding the Fourth Proportional to 100,346.96, 150,512.57 and 28,296.95

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Solution

The fourth proportional to 100,346.96, 150,512.57 and 28,296.95 is: 42,443.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,346.96 : 150,512.57 = 28,296.95 : x
  2. Step 2: Convert to fraction form
    100,346.96/150,512.57 = 28,296.95/x
  3. Step 3: Cross multiply
    100,346.96x = 150,512.57 × 28,296.95
  4. Step 4: Simplify right side
    100,346.96x = 4,259,046,526.18
  5. Step 5: Solve for x
    x = 4,259,046,526.18/100,346.96
  6. Step 6: Final answer
    x = 42,443.21

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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.