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Finding the Fourth Proportional to 222,612.36, 333,933.93 and 89,492.71

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Solution

The fourth proportional to 222,612.36, 333,933.93 and 89,492.71 is: 134,245.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,612.36 : 333,933.93 = 89,492.71 : x
  2. Step 2: Convert to fraction form
    222,612.36/333,933.93 = 89,492.71/x
  3. Step 3: Cross multiply
    222,612.36x = 333,933.93 × 89,492.71
  4. Step 4: Simplify right side
    222,612.36x = 29,884,650,239.52
  5. Step 5: Solve for x
    x = 29,884,650,239.52/222,612.36
  6. Step 6: Final answer
    x = 134,245.25

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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.