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Finding the Fourth Proportional to 73,963.41, 110,950.79 and 21,373.35

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Solution

The fourth proportional to 73,963.41, 110,950.79 and 21,373.35 is: 32,061.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,963.41 : 110,950.79 = 21,373.35 : x
  2. Step 2: Convert to fraction form
    73,963.41/110,950.79 = 21,373.35/x
  3. Step 3: Cross multiply
    73,963.41x = 110,950.79 × 21,373.35
  4. Step 4: Simplify right side
    73,963.41x = 2,371,389,960.58
  5. Step 5: Solve for x
    x = 2,371,389,960.58/73,963.41
  6. Step 6: Final answer
    x = 32,061.66

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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.