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Finding the Fourth Proportional to 221,907.84, 332,802 and 103,463.52

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Solution

The fourth proportional to 221,907.84, 332,802 and 103,463.52 is: 155,167.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,907.84 : 332,802 = 103,463.52 : x
  2. Step 2: Convert to fraction form
    221,907.84/332,802 = 103,463.52/x
  3. Step 3: Cross multiply
    221,907.84x = 332,802 × 103,463.52
  4. Step 4: Simplify right side
    221,907.84x = 34,432,866,383.04
  5. Step 5: Solve for x
    x = 34,432,866,383.04/221,907.84
  6. Step 6: Final answer
    x = 155,167.42

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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.