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Finding the Fourth Proportional to 251,122.60, 376,686.98 and 73,633.12

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Solution

The fourth proportional to 251,122.60, 376,686.98 and 73,633.12 is: 110,450.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,122.60 : 376,686.98 = 73,633.12 : x
  2. Step 2: Convert to fraction form
    251,122.60/376,686.98 = 73,633.12/x
  3. Step 3: Cross multiply
    251,122.60x = 376,686.98 × 73,633.12
  4. Step 4: Simplify right side
    251,122.60x = 27,736,637,600.78
  5. Step 5: Solve for x
    x = 27,736,637,600.78/251,122.60
  6. Step 6: Final answer
    x = 110,450.58

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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.