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Finding the Fourth Proportional to 247,770.90, 341,913.69 and 134,591.22

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Solution

The fourth proportional to 247,770.90, 341,913.69 and 134,591.22 is: 185,730.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,770.90 : 341,913.69 = 134,591.22 : x
  2. Step 2: Convert to fraction form
    247,770.90/341,913.69 = 134,591.22/x
  3. Step 3: Cross multiply
    247,770.90x = 341,913.69 × 134,591.22
  4. Step 4: Simplify right side
    247,770.90x = 46,018,580,671.80
  5. Step 5: Solve for x
    x = 46,018,580,671.80/247,770.90
  6. Step 6: Final answer
    x = 185,730.37

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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.