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Finding the Fourth Proportional to 116,979.70, 175,469.55 and 46,909.30

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Solution

The fourth proportional to 116,979.70, 175,469.55 and 46,909.30 is: 70,363.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,979.70 : 175,469.55 = 46,909.30 : x
  2. Step 2: Convert to fraction form
    116,979.70/175,469.55 = 46,909.30/x
  3. Step 3: Cross multiply
    116,979.70x = 175,469.55 × 46,909.30
  4. Step 4: Simplify right side
    116,979.70x = 8,231,153,761.82
  5. Step 5: Solve for x
    x = 8,231,153,761.82/116,979.70
  6. Step 6: Final answer
    x = 70,363.95

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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.