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Finding the Fourth Proportional to 117,511.74, 176,267.61 and 42,614.89

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Solution

The fourth proportional to 117,511.74, 176,267.61 and 42,614.89 is: 63,922.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,511.74 : 176,267.61 = 42,614.89 : x
  2. Step 2: Convert to fraction form
    117,511.74/176,267.61 = 42,614.89/x
  3. Step 3: Cross multiply
    117,511.74x = 176,267.61 × 42,614.89
  4. Step 4: Simplify right side
    117,511.74x = 7,511,624,370.04
  5. Step 5: Solve for x
    x = 7,511,624,370.04/117,511.74
  6. Step 6: Final answer
    x = 63,922.33

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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.