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Finding the Fourth Proportional to 99,569.39, 149,198.49 and 62,555.63

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Solution

The fourth proportional to 99,569.39, 149,198.49 and 62,555.63 is: 93,735.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,569.39 : 149,198.49 = 62,555.63 : x
  2. Step 2: Convert to fraction form
    99,569.39/149,198.49 = 62,555.63/x
  3. Step 3: Cross multiply
    99,569.39x = 149,198.49 × 62,555.63
  4. Step 4: Simplify right side
    99,569.39x = 9,333,204,791.01
  5. Step 5: Solve for x
    x = 9,333,204,791.01/99,569.39
  6. Step 6: Final answer
    x = 93,735.69

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1.5x scale

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.