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Finding the Fourth Proportional to 73,332.61, 109,981.29 and 33,851.80

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Solution

The fourth proportional to 73,332.61, 109,981.29 and 33,851.80 is: 50,769.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,332.61 : 109,981.29 = 33,851.80 : x
  2. Step 2: Convert to fraction form
    73,332.61/109,981.29 = 33,851.80/x
  3. Step 3: Cross multiply
    73,332.61x = 109,981.29 × 33,851.80
  4. Step 4: Simplify right side
    73,332.61x = 3,723,064,632.82
  5. Step 5: Solve for x
    x = 3,723,064,632.82/73,332.61
  6. Step 6: Final answer
    x = 50,769.56

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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.