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Finding the Fourth Proportional to 112,230.60, 168,540.30 and 59,742.60

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Solution

The fourth proportional to 112,230.60, 168,540.30 and 59,742.60 is: 89,717.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,230.60 : 168,540.30 = 59,742.60 : x
  2. Step 2: Convert to fraction form
    112,230.60/168,540.30 = 59,742.60/x
  3. Step 3: Cross multiply
    112,230.60x = 168,540.30 × 59,742.60
  4. Step 4: Simplify right side
    112,230.60x = 10,069,035,726.78
  5. Step 5: Solve for x
    x = 10,069,035,726.78/112,230.60
  6. Step 6: Final answer
    x = 89,717.38

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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.