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Finding the Fourth Proportional to 251,408.76, 377,113.02 and 73,917.24

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Solution

The fourth proportional to 251,408.76, 377,113.02 and 73,917.24 is: 110,875.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,408.76 : 377,113.02 = 73,917.24 : x
  2. Step 2: Convert to fraction form
    251,408.76/377,113.02 = 73,917.24/x
  3. Step 3: Cross multiply
    251,408.76x = 377,113.02 × 73,917.24
  4. Step 4: Simplify right side
    251,408.76x = 27,875,153,606.46
  5. Step 5: Solve for x
    x = 27,875,153,606.46/251,408.76
  6. Step 6: Final answer
    x = 110,875.82

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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.