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Finding the Fourth Proportional to 234,791.32, 351,875.44 and 127,901.06

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Solution

The fourth proportional to 234,791.32, 351,875.44 and 127,901.06 is: 191,681.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,791.32 : 351,875.44 = 127,901.06 : x
  2. Step 2: Convert to fraction form
    234,791.32/351,875.44 = 127,901.06/x
  3. Step 3: Cross multiply
    234,791.32x = 351,875.44 × 127,901.06
  4. Step 4: Simplify right side
    234,791.32x = 45,005,241,763.97
  5. Step 5: Solve for x
    x = 45,005,241,763.97/234,791.32
  6. Step 6: Final answer
    x = 191,681.88

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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.