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Finding the Fourth Proportional to 179,671.41, 247,957.88 and 103,214.43

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Solution

The fourth proportional to 179,671.41, 247,957.88 and 103,214.43 is: 142,442.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,671.41 : 247,957.88 = 103,214.43 : x
  2. Step 2: Convert to fraction form
    179,671.41/247,957.88 = 103,214.43/x
  3. Step 3: Cross multiply
    179,671.41x = 247,957.88 × 103,214.43
  4. Step 4: Simplify right side
    179,671.41x = 25,592,830,732.14
  5. Step 5: Solve for x
    x = 25,592,830,732.14/179,671.41
  6. Step 6: Final answer
    x = 142,442.42

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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.