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Finding the Fourth Proportional to 222,407.03, 332,773.55 and 155,976.77

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Solution

The fourth proportional to 222,407.03, 332,773.55 and 155,976.77 is: 233,378.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,407.03 : 332,773.55 = 155,976.77 : x
  2. Step 2: Convert to fraction form
    222,407.03/332,773.55 = 155,976.77/x
  3. Step 3: Cross multiply
    222,407.03x = 332,773.55 × 155,976.77
  4. Step 4: Simplify right side
    222,407.03x = 51,904,943,522.48
  5. Step 5: Solve for x
    x = 51,904,943,522.48/222,407.03
  6. Step 6: Final answer
    x = 233,378.16

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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.