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Finding the Fourth Proportional to 221,795.30, 332,692.95 and 103,697.30

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Solution

The fourth proportional to 221,795.30, 332,692.95 and 103,697.30 is: 155,545.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,795.30 : 332,692.95 = 103,697.30 : x
  2. Step 2: Convert to fraction form
    221,795.30/332,692.95 = 103,697.30/x
  3. Step 3: Cross multiply
    221,795.30x = 332,692.95 × 103,697.30
  4. Step 4: Simplify right side
    221,795.30x = 34,499,360,644.04
  5. Step 5: Solve for x
    x = 34,499,360,644.04/221,795.30
  6. Step 6: Final answer
    x = 155,545.95

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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.