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Finding the Fourth Proportional to 158,797.54, 238,189.71 and 40,471.78

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Solution

The fourth proportional to 158,797.54, 238,189.71 and 40,471.78 is: 60,705.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,797.54 : 238,189.71 = 40,471.78 : x
  2. Step 2: Convert to fraction form
    158,797.54/238,189.71 = 40,471.78/x
  3. Step 3: Cross multiply
    158,797.54x = 238,189.71 × 40,471.78
  4. Step 4: Simplify right side
    158,797.54x = 9,639,961,541.38
  5. Step 5: Solve for x
    x = 9,639,961,541.38/158,797.54
  6. Step 6: Final answer
    x = 60,705.99

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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.