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Finding the Fourth Proportional to 168,538.41, 232,584.21 and 93,086.91

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Solution

The fourth proportional to 168,538.41, 232,584.21 and 93,086.91 is: 128,460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,538.41 : 232,584.21 = 93,086.91 : x
  2. Step 2: Convert to fraction form
    168,538.41/232,584.21 = 93,086.91/x
  3. Step 3: Cross multiply
    168,538.41x = 232,584.21 × 93,086.91
  4. Step 4: Simplify right side
    168,538.41x = 21,650,545,423.69
  5. Step 5: Solve for x
    x = 21,650,545,423.69/168,538.41
  6. Step 6: Final answer
    x = 128,460.60

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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.