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Finding the Fourth Proportional to 230,758.98, 318,447.36 and 127,393.17

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Solution

The fourth proportional to 230,758.98, 318,447.36 and 127,393.17 is: 175,802.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,758.98 : 318,447.36 = 127,393.17 : x
  2. Step 2: Convert to fraction form
    230,758.98/318,447.36 = 127,393.17/x
  3. Step 3: Cross multiply
    230,758.98x = 318,447.36 × 127,393.17
  4. Step 4: Simplify right side
    230,758.98x = 40,568,018,668.53
  5. Step 5: Solve for x
    x = 40,568,018,668.53/230,758.98
  6. Step 6: Final answer
    x = 175,802.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.