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Finding the Fourth Proportional to 117,885.36, 176,840.63 and 50,424.38

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Solution

The fourth proportional to 117,885.36, 176,840.63 and 50,424.38 is: 75,641.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,885.36 : 176,840.63 = 50,424.38 : x
  2. Step 2: Convert to fraction form
    117,885.36/176,840.63 = 50,424.38/x
  3. Step 3: Cross multiply
    117,885.36x = 176,840.63 × 50,424.38
  4. Step 4: Simplify right side
    117,885.36x = 8,917,078,628.75
  5. Step 5: Solve for x
    x = 8,917,078,628.75/117,885.36
  6. Step 6: Final answer
    x = 75,641.95

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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.