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Finding the Fourth Proportional to 109,224.60, 163,836.90 and 93,478.20

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Solution

The fourth proportional to 109,224.60, 163,836.90 and 93,478.20 is: 140,217.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,224.60 : 163,836.90 = 93,478.20 : x
  2. Step 2: Convert to fraction form
    109,224.60/163,836.90 = 93,478.20/x
  3. Step 3: Cross multiply
    109,224.60x = 163,836.90 × 93,478.20
  4. Step 4: Simplify right side
    109,224.60x = 15,315,178,505.58
  5. Step 5: Solve for x
    x = 15,315,178,505.58/109,224.60
  6. Step 6: Final answer
    x = 140,217.30

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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.