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Finding the Fourth Proportional to 100,594.60, 150,891.90 and 89,708.20

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Solution

The fourth proportional to 100,594.60, 150,891.90 and 89,708.20 is: 134,562.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,594.60 : 150,891.90 = 89,708.20 : x
  2. Step 2: Convert to fraction form
    100,594.60/150,891.90 = 89,708.20/x
  3. Step 3: Cross multiply
    100,594.60x = 150,891.90 × 89,708.20
  4. Step 4: Simplify right side
    100,594.60x = 13,536,240,743.58
  5. Step 5: Solve for x
    x = 13,536,240,743.58/100,594.60
  6. Step 6: Final answer
    x = 134,562.30

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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.