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Finding the Fourth Proportional to 222,456.61, 333,537.29 and 155,977.28

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Solution

The fourth proportional to 222,456.61, 333,537.29 and 155,977.28 is: 233,862.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,456.61 : 333,537.29 = 155,977.28 : x
  2. Step 2: Convert to fraction form
    222,456.61/333,537.29 = 155,977.28/x
  3. Step 3: Cross multiply
    222,456.61x = 333,537.29 × 155,977.28
  4. Step 4: Simplify right side
    222,456.61x = 52,024,238,660.88
  5. Step 5: Solve for x
    x = 52,024,238,660.88/222,456.61
  6. Step 6: Final answer
    x = 233,862.41

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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.