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Finding the Fourth Proportional to 222,054, 306,434.52 and 121,452

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Solution

The fourth proportional to 222,054, 306,434.52 and 121,452 is: 167,603.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,054 : 306,434.52 = 121,452 : x
  2. Step 2: Convert to fraction form
    222,054/306,434.52 = 121,452/x
  3. Step 3: Cross multiply
    222,054x = 306,434.52 × 121,452
  4. Step 4: Simplify right side
    222,054x = 37,217,085,323.04
  5. Step 5: Solve for x
    x = 37,217,085,323.04/222,054
  6. Step 6: Final answer
    x = 167,603.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.