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Finding the Fourth Proportional to 222,046.43, 332,543.54 and 127,328.07

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Solution

The fourth proportional to 222,046.43, 332,543.54 and 127,328.07 is: 190,690.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,046.43 : 332,543.54 = 127,328.07 : x
  2. Step 2: Convert to fraction form
    222,046.43/332,543.54 = 127,328.07/x
  3. Step 3: Cross multiply
    222,046.43x = 332,543.54 × 127,328.07
  4. Step 4: Simplify right side
    222,046.43x = 42,342,126,502.53
  5. Step 5: Solve for x
    x = 42,342,126,502.53/222,046.43
  6. Step 6: Final answer
    x = 190,690.42

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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.