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Finding the Fourth Proportional to 93,872.76, 140,822.86 and 27,304.28

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Solution

The fourth proportional to 93,872.76, 140,822.86 and 27,304.28 is: 40,960.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,872.76 : 140,822.86 = 27,304.28 : x
  2. Step 2: Convert to fraction form
    93,872.76/140,822.86 = 27,304.28/x
  3. Step 3: Cross multiply
    93,872.76x = 140,822.86 × 27,304.28
  4. Step 4: Simplify right side
    93,872.76x = 3,845,066,799.84
  5. Step 5: Solve for x
    x = 3,845,066,799.84/93,872.76
  6. Step 6: Final answer
    x = 40,960.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.