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Finding the Fourth Proportional to 221,787.95, 332,714.03 and 69,933.48

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Solution

The fourth proportional to 221,787.95, 332,714.03 and 69,933.48 is: 104,910.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,787.95 : 332,714.03 = 69,933.48 : x
  2. Step 2: Convert to fraction form
    221,787.95/332,714.03 = 69,933.48/x
  3. Step 3: Cross multiply
    221,787.95x = 332,714.03 × 69,933.48
  4. Step 4: Simplify right side
    221,787.95x = 23,267,849,962.72
  5. Step 5: Solve for x
    x = 23,267,849,962.72/221,787.95
  6. Step 6: Final answer
    x = 104,910.34

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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.