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Finding the Fourth Proportional to 117,846.67, 176,699.50 and 79,942.52

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Solution

The fourth proportional to 117,846.67, 176,699.50 and 79,942.52 is: 119,865.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,846.67 : 176,699.50 = 79,942.52 : x
  2. Step 2: Convert to fraction form
    117,846.67/176,699.50 = 79,942.52/x
  3. Step 3: Cross multiply
    117,846.67x = 176,699.50 × 79,942.52
  4. Step 4: Simplify right side
    117,846.67x = 14,125,803,312.74
  5. Step 5: Solve for x
    x = 14,125,803,312.74/117,846.67
  6. Step 6: Final answer
    x = 119,865.95

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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.