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Finding the Fourth Proportional to 251,850.88, 377,685.57 and 83,340.10

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Solution

The fourth proportional to 251,850.88, 377,685.57 and 83,340.10 is: 124,980.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,850.88 : 377,685.57 = 83,340.10 : x
  2. Step 2: Convert to fraction form
    251,850.88/377,685.57 = 83,340.10/x
  3. Step 3: Cross multiply
    251,850.88x = 377,685.57 × 83,340.10
  4. Step 4: Simplify right side
    251,850.88x = 31,476,353,172.36
  5. Step 5: Solve for x
    x = 31,476,353,172.36/251,850.88
  6. Step 6: Final answer
    x = 124,980.12

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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.