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Finding the Fourth Proportional to 222,673.92, 334,031.52 and 72,915.36

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Solution

The fourth proportional to 222,673.92, 334,031.52 and 72,915.36 is: 109,379.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,673.92 : 334,031.52 = 72,915.36 : x
  2. Step 2: Convert to fraction form
    222,673.92/334,031.52 = 72,915.36/x
  3. Step 3: Cross multiply
    222,673.92x = 334,031.52 × 72,915.36
  4. Step 4: Simplify right side
    222,673.92x = 24,356,028,532.15
  5. Step 5: Solve for x
    x = 24,356,028,532.15/222,673.92
  6. Step 6: Final answer
    x = 109,379.80

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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.