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Finding the Fourth Proportional to 202,366.76, 303,521.58 and 127,257.89

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Solution

The fourth proportional to 202,366.76, 303,521.58 and 127,257.89 is: 190,868.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,366.76 : 303,521.58 = 127,257.89 : x
  2. Step 2: Convert to fraction form
    202,366.76/303,521.58 = 127,257.89/x
  3. Step 3: Cross multiply
    202,366.76x = 303,521.58 × 127,257.89
  4. Step 4: Simplify right side
    202,366.76x = 38,625,514,322.66
  5. Step 5: Solve for x
    x = 38,625,514,322.66/202,366.76
  6. Step 6: Final answer
    x = 190,868.87

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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.