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Finding the Fourth Proportional to 251,574.66, 377,374.14 and 74,083.41

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Solution

The fourth proportional to 251,574.66, 377,374.14 and 74,083.41 is: 111,128.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,574.66 : 377,374.14 = 74,083.41 : x
  2. Step 2: Convert to fraction form
    251,574.66/377,374.14 = 74,083.41/x
  3. Step 3: Cross multiply
    251,574.66x = 377,374.14 × 74,083.41
  4. Step 4: Simplify right side
    251,574.66x = 27,957,163,137.02
  5. Step 5: Solve for x
    x = 27,957,163,137.02/251,574.66
  6. Step 6: Final answer
    x = 111,128.69

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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.