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Finding the Fourth Proportional to 158,532.52, 218,797.22 and 98,122.60

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Solution

The fourth proportional to 158,532.52, 218,797.22 and 98,122.60 is: 135,423.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,532.52 : 218,797.22 = 98,122.60 : x
  2. Step 2: Convert to fraction form
    158,532.52/218,797.22 = 98,122.60/x
  3. Step 3: Cross multiply
    158,532.52x = 218,797.22 × 98,122.60
  4. Step 4: Simplify right side
    158,532.52x = 21,468,952,099.17
  5. Step 5: Solve for x
    x = 21,468,952,099.17/158,532.52
  6. Step 6: Final answer
    x = 135,423.02

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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.