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Finding the Fourth Proportional to 230,668.61, 318,453.46 and 150,055.79

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Solution

The fourth proportional to 230,668.61, 318,453.46 and 150,055.79 is: 207,162.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,668.61 : 318,453.46 = 150,055.79 : x
  2. Step 2: Convert to fraction form
    230,668.61/318,453.46 = 150,055.79/x
  3. Step 3: Cross multiply
    230,668.61x = 318,453.46 × 150,055.79
  4. Step 4: Simplify right side
    230,668.61x = 47,785,783,551.13
  5. Step 5: Solve for x
    x = 47,785,783,551.13/230,668.61
  6. Step 6: Final answer
    x = 207,162.06

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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.