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Finding the Fourth Proportional to 143,846.85, 215,770.29 and 63,866.01

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Solution

The fourth proportional to 143,846.85, 215,770.29 and 63,866.01 is: 95,799.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,846.85 : 215,770.29 = 63,866.01 : x
  2. Step 2: Convert to fraction form
    143,846.85/215,770.29 = 63,866.01/x
  3. Step 3: Cross multiply
    143,846.85x = 215,770.29 × 63,866.01
  4. Step 4: Simplify right side
    143,846.85x = 13,780,387,498.84
  5. Step 5: Solve for x
    x = 13,780,387,498.84/143,846.85
  6. Step 6: Final answer
    x = 95,799.02

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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.