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Finding the Fourth Proportional to 99,888.87, 149,839.08 and 37,559.91

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Solution

The fourth proportional to 99,888.87, 149,839.08 and 37,559.91 is: 56,342.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,888.87 : 149,839.08 = 37,559.91 : x
  2. Step 2: Convert to fraction form
    99,888.87/149,839.08 = 37,559.91/x
  3. Step 3: Cross multiply
    99,888.87x = 149,839.08 × 37,559.91
  4. Step 4: Simplify right side
    99,888.87x = 5,627,942,359.28
  5. Step 5: Solve for x
    x = 5,627,942,359.28/99,888.87
  6. Step 6: Final answer
    x = 56,342.04

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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.