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Finding the Fourth Proportional to 222,441.30, 333,680.16 and 64,669.56

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Solution

The fourth proportional to 222,441.30, 333,680.16 and 64,669.56 is: 97,009.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,441.30 : 333,680.16 = 64,669.56 : x
  2. Step 2: Convert to fraction form
    222,441.30/333,680.16 = 64,669.56/x
  3. Step 3: Cross multiply
    222,441.30x = 333,680.16 × 64,669.56
  4. Step 4: Simplify right side
    222,441.30x = 21,578,949,127.93
  5. Step 5: Solve for x
    x = 21,578,949,127.93/222,441.30
  6. Step 6: Final answer
    x = 97,009.63

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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.