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Finding the Fourth Proportional to 73,988.79, 110,999.62 and 34,524.37

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Solution

The fourth proportional to 73,988.79, 110,999.62 and 34,524.37 is: 51,794.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,988.79 : 110,999.62 = 34,524.37 : x
  2. Step 2: Convert to fraction form
    73,988.79/110,999.62 = 34,524.37/x
  3. Step 3: Cross multiply
    73,988.79x = 110,999.62 × 34,524.37
  4. Step 4: Simplify right side
    73,988.79x = 3,832,191,950.74
  5. Step 5: Solve for x
    x = 3,832,191,950.74/73,988.79
  6. Step 6: Final answer
    x = 51,794.22

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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.