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Finding the Fourth Proportional to 222,536.88, 307,101.08 and 121,934.88

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Solution

The fourth proportional to 222,536.88, 307,101.08 and 121,934.88 is: 168,270.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,536.88 : 307,101.08 = 121,934.88 : x
  2. Step 2: Convert to fraction form
    222,536.88/307,101.08 = 121,934.88/x
  3. Step 3: Cross multiply
    222,536.88x = 307,101.08 × 121,934.88
  4. Step 4: Simplify right side
    222,536.88x = 37,446,333,337.67
  5. Step 5: Solve for x
    x = 37,446,333,337.67/222,536.88
  6. Step 6: Final answer
    x = 168,270.24

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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.