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Finding the Fourth Proportional to 247,168.60, 341,219.10 and 156,618.52

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Solution

The fourth proportional to 247,168.60, 341,219.10 and 156,618.52 is: 216,213.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,168.60 : 341,219.10 = 156,618.52 : x
  2. Step 2: Convert to fraction form
    247,168.60/341,219.10 = 156,618.52/x
  3. Step 3: Cross multiply
    247,168.60x = 341,219.10 × 156,618.52
  4. Step 4: Simplify right side
    247,168.60x = 53,441,230,437.73
  5. Step 5: Solve for x
    x = 53,441,230,437.73/247,168.60
  6. Step 6: Final answer
    x = 216,213.67

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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.