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Finding the Fourth Proportional to 222,265.52, 306,733.20 and 121,663.52

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Solution

The fourth proportional to 222,265.52, 306,733.20 and 121,663.52 is: 167,899.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,265.52 : 306,733.20 = 121,663.52 : x
  2. Step 2: Convert to fraction form
    222,265.52/306,733.20 = 121,663.52/x
  3. Step 3: Cross multiply
    222,265.52x = 306,733.20 × 121,663.52
  4. Step 4: Simplify right side
    222,265.52x = 37,318,240,812.86
  5. Step 5: Solve for x
    x = 37,318,240,812.86/222,265.52
  6. Step 6: Final answer
    x = 167,899.37

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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.