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Finding the Fourth Proportional to 163,076.76, 225,046.32 and 95,140.44

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Solution

The fourth proportional to 163,076.76, 225,046.32 and 95,140.44 is: 131,294.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,076.76 : 225,046.32 = 95,140.44 : x
  2. Step 2: Convert to fraction form
    163,076.76/225,046.32 = 95,140.44/x
  3. Step 3: Cross multiply
    163,076.76x = 225,046.32 × 95,140.44
  4. Step 4: Simplify right side
    163,076.76x = 21,411,005,905.18
  5. Step 5: Solve for x
    x = 21,411,005,905.18/163,076.76
  6. Step 6: Final answer
    x = 131,294.04

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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.