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Finding the Fourth Proportional to 230,353.20, 317,778.76 and 134,800.76

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Solution

The fourth proportional to 230,353.20, 317,778.76 and 134,800.76 is: 185,961.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,353.20 : 317,778.76 = 134,800.76 : x
  2. Step 2: Convert to fraction form
    230,353.20/317,778.76 = 134,800.76/x
  3. Step 3: Cross multiply
    230,353.20x = 317,778.76 × 134,800.76
  4. Step 4: Simplify right side
    230,353.20x = 42,836,818,359.86
  5. Step 5: Solve for x
    x = 42,836,818,359.86/230,353.20
  6. Step 6: Final answer
    x = 185,961.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.