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Finding the Fourth Proportional to 229,335.89, 316,494.03 and 127,361.81

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Solution

The fourth proportional to 229,335.89, 316,494.03 and 127,361.81 is: 175,765.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,335.89 : 316,494.03 = 127,361.81 : x
  2. Step 2: Convert to fraction form
    229,335.89/316,494.03 = 127,361.81/x
  3. Step 3: Cross multiply
    229,335.89x = 316,494.03 × 127,361.81
  4. Step 4: Simplify right side
    229,335.89x = 40,309,253,783.84
  5. Step 5: Solve for x
    x = 40,309,253,783.84/229,335.89
  6. Step 6: Final answer
    x = 175,765.14

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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.