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Finding the Fourth Proportional to 67,404.83, 101,075.99 and 39,332.97

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Solution

The fourth proportional to 67,404.83, 101,075.99 and 39,332.97 is: 58,981.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,404.83 : 101,075.99 = 39,332.97 : x
  2. Step 2: Convert to fraction form
    67,404.83/101,075.99 = 39,332.97/x
  3. Step 3: Cross multiply
    67,404.83x = 101,075.99 × 39,332.97
  4. Step 4: Simplify right side
    67,404.83x = 3,975,618,685.73
  5. Step 5: Solve for x
    x = 3,975,618,685.73/67,404.83
  6. Step 6: Final answer
    x = 58,981.22

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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.