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Finding the Fourth Proportional to 176,751, 243,875.97 and 100,251.81

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Solution

The fourth proportional to 176,751, 243,875.97 and 100,251.81 is: 138,324.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,751 : 243,875.97 = 100,251.81 : x
  2. Step 2: Convert to fraction form
    176,751/243,875.97 = 100,251.81/x
  3. Step 3: Cross multiply
    176,751x = 243,875.97 × 100,251.81
  4. Step 4: Simplify right side
    176,751x = 24,449,007,408.01
  5. Step 5: Solve for x
    x = 24,449,007,408.01/176,751
  6. Step 6: Final answer
    x = 138,324.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.