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Finding the Fourth Proportional to 158,891.84, 238,337.54 and 40,563.20

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Solution

The fourth proportional to 158,891.84, 238,337.54 and 40,563.20 is: 60,844.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,891.84 : 238,337.54 = 40,563.20 : x
  2. Step 2: Convert to fraction form
    158,891.84/238,337.54 = 40,563.20/x
  3. Step 3: Cross multiply
    158,891.84x = 238,337.54 × 40,563.20
  4. Step 4: Simplify right side
    158,891.84x = 9,667,733,302.53
  5. Step 5: Solve for x
    x = 9,667,733,302.53/158,891.84
  6. Step 6: Final answer
    x = 60,844.74

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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.