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Finding the Fourth Proportional to 158,899.98, 238,350.39 and 38,957.48

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Solution

The fourth proportional to 158,899.98, 238,350.39 and 38,957.48 is: 58,436.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,899.98 : 238,350.39 = 38,957.48 : x
  2. Step 2: Convert to fraction form
    158,899.98/238,350.39 = 38,957.48/x
  3. Step 3: Cross multiply
    158,899.98x = 238,350.39 × 38,957.48
  4. Step 4: Simplify right side
    158,899.98x = 9,285,529,359.67
  5. Step 5: Solve for x
    x = 9,285,529,359.67/158,899.98
  6. Step 6: Final answer
    x = 58,436.32

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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.