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Finding the Fourth Proportional to 247,650.90, 341,630.37 and 156,854.10

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Solution

The fourth proportional to 247,650.90, 341,630.37 and 156,854.10 is: 216,377.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,650.90 : 341,630.37 = 156,854.10 : x
  2. Step 2: Convert to fraction form
    247,650.90/341,630.37 = 156,854.10/x
  3. Step 3: Cross multiply
    247,650.90x = 341,630.37 × 156,854.10
  4. Step 4: Simplify right side
    247,650.90x = 53,586,124,219.02
  5. Step 5: Solve for x
    x = 53,586,124,219.02/247,650.90
  6. Step 6: Final answer
    x = 216,377.67

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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.