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Finding the Fourth Proportional to 143,793.13, 215,690.25 and 43,952.94

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Solution

The fourth proportional to 143,793.13, 215,690.25 and 43,952.94 is: 65,929.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,793.13 : 215,690.25 = 43,952.94 : x
  2. Step 2: Convert to fraction form
    143,793.13/215,690.25 = 43,952.94/x
  3. Step 3: Cross multiply
    143,793.13x = 215,690.25 × 43,952.94
  4. Step 4: Simplify right side
    143,793.13x = 9,480,220,616.84
  5. Step 5: Solve for x
    x = 9,480,220,616.84/143,793.13
  6. Step 6: Final answer
    x = 65,929.58

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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.