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Finding the Fourth Proportional to 67,384.75, 93,020.85 and 43,523.06

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Solution

The fourth proportional to 67,384.75, 93,020.85 and 43,523.06 is: 60,081.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,384.75 : 93,020.85 = 43,523.06 : x
  2. Step 2: Convert to fraction form
    67,384.75/93,020.85 = 43,523.06/x
  3. Step 3: Cross multiply
    67,384.75x = 93,020.85 × 43,523.06
  4. Step 4: Simplify right side
    67,384.75x = 4,048,552,105.14
  5. Step 5: Solve for x
    x = 4,048,552,105.14/67,384.75
  6. Step 6: Final answer
    x = 60,081.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.