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Finding the Fourth Proportional to 73,353, 110,029.50 and 40,521

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Solution

The fourth proportional to 73,353, 110,029.50 and 40,521 is: 60,781.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,353 : 110,029.50 = 40,521 : x
  2. Step 2: Convert to fraction form
    73,353/110,029.50 = 40,521/x
  3. Step 3: Cross multiply
    73,353x = 110,029.50 × 40,521
  4. Step 4: Simplify right side
    73,353x = 4,458,505,369.50
  5. Step 5: Solve for x
    x = 4,458,505,369.50/73,353
  6. Step 6: Final answer
    x = 60,781.50

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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.