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Finding the Fourth Proportional to 63,407.88, 95,159.70 and 43,369.38

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Solution

The fourth proportional to 63,407.88, 95,159.70 and 43,369.38 is: 65,086.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,407.88 : 95,159.70 = 43,369.38 : x
  2. Step 2: Convert to fraction form
    63,407.88/95,159.70 = 43,369.38/x
  3. Step 3: Cross multiply
    63,407.88x = 95,159.70 × 43,369.38
  4. Step 4: Simplify right side
    63,407.88x = 4,127,017,189.99
  5. Step 5: Solve for x
    x = 4,127,017,189.99/63,407.88
  6. Step 6: Final answer
    x = 65,086.82

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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.