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Finding the Fourth Proportional to 200,257.67, 300,490.05 and 88,016.69

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Solution

The fourth proportional to 200,257.67, 300,490.05 and 88,016.69 is: 132,070.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,257.67 : 300,490.05 = 88,016.69 : x
  2. Step 2: Convert to fraction form
    200,257.67/300,490.05 = 88,016.69/x
  3. Step 3: Cross multiply
    200,257.67x = 300,490.05 × 88,016.69
  4. Step 4: Simplify right side
    200,257.67x = 26,448,139,578.93
  5. Step 5: Solve for x
    x = 26,448,139,578.93/200,257.67
  6. Step 6: Final answer
    x = 132,070.54

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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.