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Finding the Fourth Proportional to 222,455.06, 333,541.16 and 188,732.74

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Solution

The fourth proportional to 222,455.06, 333,541.16 and 188,732.74 is: 282,979.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,455.06 : 333,541.16 = 188,732.74 : x
  2. Step 2: Convert to fraction form
    222,455.06/333,541.16 = 188,732.74/x
  3. Step 3: Cross multiply
    222,455.06x = 333,541.16 × 188,732.74
  4. Step 4: Simplify right side
    222,455.06x = 62,950,137,029.58
  5. Step 5: Solve for x
    x = 62,950,137,029.58/222,455.06
  6. Step 6: Final answer
    x = 282,979.12

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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.