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Finding the Fourth Proportional to 174,348.78, 240,599.07 and 102,731.82

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Solution

The fourth proportional to 174,348.78, 240,599.07 and 102,731.82 is: 141,768.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,348.78 : 240,599.07 = 102,731.82 : x
  2. Step 2: Convert to fraction form
    174,348.78/240,599.07 = 102,731.82/x
  3. Step 3: Cross multiply
    174,348.78x = 240,599.07 × 102,731.82
  4. Step 4: Simplify right side
    174,348.78x = 24,717,180,351.41
  5. Step 5: Solve for x
    x = 24,717,180,351.41/174,348.78
  6. Step 6: Final answer
    x = 141,768.59

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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.