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Finding the Fourth Proportional to 222,781.74, 334,338.65 and 89,663.10

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Solution

The fourth proportional to 222,781.74, 334,338.65 and 89,663.10 is: 134,561.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,781.74 : 334,338.65 = 89,663.10 : x
  2. Step 2: Convert to fraction form
    222,781.74/334,338.65 = 89,663.10/x
  3. Step 3: Cross multiply
    222,781.74x = 334,338.65 × 89,663.10
  4. Step 4: Simplify right side
    222,781.74x = 29,977,839,808.82
  5. Step 5: Solve for x
    x = 29,977,839,808.82/222,781.74
  6. Step 6: Final answer
    x = 134,561.48

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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.