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Finding the Fourth Proportional to 342,671.76, 514,062.72 and 117,976.95

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Solution

The fourth proportional to 342,671.76, 514,062.72 and 117,976.95 is: 176,984.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,671.76 : 514,062.72 = 117,976.95 : x
  2. Step 2: Convert to fraction form
    342,671.76/514,062.72 = 117,976.95/x
  3. Step 3: Cross multiply
    342,671.76x = 514,062.72 × 117,976.95
  4. Step 4: Simplify right side
    342,671.76x = 60,647,551,814.30
  5. Step 5: Solve for x
    x = 60,647,551,814.30/342,671.76
  6. Step 6: Final answer
    x = 176,984.39

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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.