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Finding the Fourth Proportional to 63,142.78, 94,685.01 and 23,671.66

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Solution

The fourth proportional to 63,142.78, 94,685.01 and 23,671.66 is: 35,496.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,142.78 : 94,685.01 = 23,671.66 : x
  2. Step 2: Convert to fraction form
    63,142.78/94,685.01 = 23,671.66/x
  3. Step 3: Cross multiply
    63,142.78x = 94,685.01 × 23,671.66
  4. Step 4: Simplify right side
    63,142.78x = 2,241,351,363.82
  5. Step 5: Solve for x
    x = 2,241,351,363.82/63,142.78
  6. Step 6: Final answer
    x = 35,496.56

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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.