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Finding the Fourth Proportional to 222,868.92, 334,294.74 and 56,661.24

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Solution

The fourth proportional to 222,868.92, 334,294.74 and 56,661.24 is: 84,989.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,868.92 : 334,294.74 = 56,661.24 : x
  2. Step 2: Convert to fraction form
    222,868.92/334,294.74 = 56,661.24/x
  3. Step 3: Cross multiply
    222,868.92x = 334,294.74 × 56,661.24
  4. Step 4: Simplify right side
    222,868.92x = 18,941,554,493.88
  5. Step 5: Solve for x
    x = 18,941,554,493.88/222,868.92
  6. Step 6: Final answer
    x = 84,989.66

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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.