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Finding the Fourth Proportional to 158,756.88, 238,010.88 and 82,671.60

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Solution

The fourth proportional to 158,756.88, 238,010.88 and 82,671.60 is: 123,942.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,756.88 : 238,010.88 = 82,671.60 : x
  2. Step 2: Convert to fraction form
    158,756.88/238,010.88 = 82,671.60/x
  3. Step 3: Cross multiply
    158,756.88x = 238,010.88 × 82,671.60
  4. Step 4: Simplify right side
    158,756.88x = 19,676,740,267.01
  5. Step 5: Solve for x
    x = 19,676,740,267.01/158,756.88
  6. Step 6: Final answer
    x = 123,942.60

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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.