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Finding the Fourth Proportional to 222,447.32, 333,686.55 and 89,327.58

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Solution

The fourth proportional to 222,447.32, 333,686.55 and 89,327.58 is: 133,997.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,447.32 : 333,686.55 = 89,327.58 : x
  2. Step 2: Convert to fraction form
    222,447.32/333,686.55 = 89,327.58/x
  3. Step 3: Cross multiply
    222,447.32x = 333,686.55 × 89,327.58
  4. Step 4: Simplify right side
    222,447.32x = 29,807,411,196.90
  5. Step 5: Solve for x
    x = 29,807,411,196.90/222,447.32
  6. Step 6: Final answer
    x = 133,997.62

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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.