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Finding the Fourth Proportional to 230,943.30, 346,463.55 and 73,187.70

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Solution

The fourth proportional to 230,943.30, 346,463.55 and 73,187.70 is: 109,796.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,943.30 : 346,463.55 = 73,187.70 : x
  2. Step 2: Convert to fraction form
    230,943.30/346,463.55 = 73,187.70/x
  3. Step 3: Cross multiply
    230,943.30x = 346,463.55 × 73,187.70
  4. Step 4: Simplify right side
    230,943.30x = 25,356,870,358.34
  5. Step 5: Solve for x
    x = 25,356,870,358.34/230,943.30
  6. Step 6: Final answer
    x = 109,796.95

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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.