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Finding the Fourth Proportional to 262,698.66, 393,976.20 and 94,187.70

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Solution

The fourth proportional to 262,698.66, 393,976.20 and 94,187.70 is: 141,255.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,698.66 : 393,976.20 = 94,187.70 : x
  2. Step 2: Convert to fraction form
    262,698.66/393,976.20 = 94,187.70/x
  3. Step 3: Cross multiply
    262,698.66x = 393,976.20 × 94,187.70
  4. Step 4: Simplify right side
    262,698.66x = 37,107,712,132.74
  5. Step 5: Solve for x
    x = 37,107,712,132.74/262,698.66
  6. Step 6: Final answer
    x = 141,255.81

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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.