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Finding the Fourth Proportional to 158,846.92, 238,368.76 and 92,318.38

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Solution

The fourth proportional to 158,846.92, 238,368.76 and 92,318.38 is: 138,534.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,846.92 : 238,368.76 = 92,318.38 : x
  2. Step 2: Convert to fraction form
    158,846.92/238,368.76 = 92,318.38/x
  3. Step 3: Cross multiply
    158,846.92x = 238,368.76 × 92,318.38
  4. Step 4: Simplify right side
    158,846.92x = 22,005,817,765.81
  5. Step 5: Solve for x
    x = 22,005,817,765.81/158,846.92
  6. Step 6: Final answer
    x = 138,534.75

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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.