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Finding the Fourth Proportional to 251,754.85, 377,595.82 and 74,253.07

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Solution

The fourth proportional to 251,754.85, 377,595.82 and 74,253.07 is: 111,368.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,754.85 : 377,595.82 = 74,253.07 : x
  2. Step 2: Convert to fraction form
    251,754.85/377,595.82 = 74,253.07/x
  3. Step 3: Cross multiply
    251,754.85x = 377,595.82 × 74,253.07
  4. Step 4: Simplify right side
    251,754.85x = 28,037,648,854.17
  5. Step 5: Solve for x
    x = 28,037,648,854.17/251,754.85
  6. Step 6: Final answer
    x = 111,368.85

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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.