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Finding the Fourth Proportional to 183,139.66, 274,803.25 and 87,185.47

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Solution

The fourth proportional to 183,139.66, 274,803.25 and 87,185.47 is: 130,822.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,139.66 : 274,803.25 = 87,185.47 : x
  2. Step 2: Convert to fraction form
    183,139.66/274,803.25 = 87,185.47/x
  3. Step 3: Cross multiply
    183,139.66x = 274,803.25 × 87,185.47
  4. Step 4: Simplify right side
    183,139.66x = 23,958,850,508.78
  5. Step 5: Solve for x
    x = 23,958,850,508.78/183,139.66
  6. Step 6: Final answer
    x = 130,822.84

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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.