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Finding the Fourth Proportional to 73,507.88, 110,123.08 and 43,432.38

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Solution

The fourth proportional to 73,507.88, 110,123.08 and 43,432.38 is: 65,066.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,507.88 : 110,123.08 = 43,432.38 : x
  2. Step 2: Convert to fraction form
    73,507.88/110,123.08 = 43,432.38/x
  3. Step 3: Cross multiply
    73,507.88x = 110,123.08 × 43,432.38
  4. Step 4: Simplify right side
    73,507.88x = 4,782,907,348.75
  5. Step 5: Solve for x
    x = 4,782,907,348.75/73,507.88
  6. Step 6: Final answer
    x = 65,066.59

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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.