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Finding the Fourth Proportional to 222,168.52, 306,592.05 and 121,566.52

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Solution

The fourth proportional to 222,168.52, 306,592.05 and 121,566.52 is: 167,761.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,168.52 : 306,592.05 = 121,566.52 : x
  2. Step 2: Convert to fraction form
    222,168.52/306,592.05 = 121,566.52/x
  3. Step 3: Cross multiply
    222,168.52x = 306,592.05 × 121,566.52
  4. Step 4: Simplify right side
    222,168.52x = 37,271,328,578.17
  5. Step 5: Solve for x
    x = 37,271,328,578.17/222,168.52
  6. Step 6: Final answer
    x = 167,761.52

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1.5x scale

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.