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Finding the Fourth Proportional to 147,393.52, 203,435.80 and 93,668

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Solution

The fourth proportional to 147,393.52, 203,435.80 and 93,668 is: 129,282.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,393.52 : 203,435.80 = 93,668 : x
  2. Step 2: Convert to fraction form
    147,393.52/203,435.80 = 93,668/x
  3. Step 3: Cross multiply
    147,393.52x = 203,435.80 × 93,668
  4. Step 4: Simplify right side
    147,393.52x = 19,055,424,514.40
  5. Step 5: Solve for x
    x = 19,055,424,514.40/147,393.52
  6. Step 6: Final answer
    x = 129,282.65

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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.