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Finding the Fourth Proportional to 251,750.84, 377,536.31 and 83,240.06

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Solution

The fourth proportional to 251,750.84, 377,536.31 and 83,240.06 is: 124,830.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,750.84 : 377,536.31 = 83,240.06 : x
  2. Step 2: Convert to fraction form
    251,750.84/377,536.31 = 83,240.06/x
  3. Step 3: Cross multiply
    251,750.84x = 377,536.31 × 83,240.06
  4. Step 4: Simplify right side
    251,750.84x = 31,426,143,104.85
  5. Step 5: Solve for x
    x = 31,426,143,104.85/251,750.84
  6. Step 6: Final answer
    x = 124,830.34

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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.