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Finding the Fourth Proportional to 118,747, 178,198.26 and 44,875

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Solution

The fourth proportional to 118,747, 178,198.26 and 44,875 is: 67,341.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,747 : 178,198.26 = 44,875 : x
  2. Step 2: Convert to fraction form
    118,747/178,198.26 = 44,875/x
  3. Step 3: Cross multiply
    118,747x = 178,198.26 × 44,875
  4. Step 4: Simplify right side
    118,747x = 7,996,646,917.50
  5. Step 5: Solve for x
    x = 7,996,646,917.50/118,747
  6. Step 6: Final answer
    x = 67,341.89

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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.