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Finding the Fourth Proportional to 150,666.36, 225,992.22 and 55,915.00

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Solution

The fourth proportional to 150,666.36, 225,992.22 and 55,915.00 is: 83,869.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,666.36 : 225,992.22 = 55,915.00 : x
  2. Step 2: Convert to fraction form
    150,666.36/225,992.22 = 55,915.00/x
  3. Step 3: Cross multiply
    150,666.36x = 225,992.22 × 55,915.00
  4. Step 4: Simplify right side
    150,666.36x = 12,636,355,594.15
  5. Step 5: Solve for x
    x = 12,636,355,594.15/150,666.36
  6. Step 6: Final answer
    x = 83,869.79

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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.