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Finding the Fourth Proportional to 159,692.22, 239,406.93 and 63,639.18

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Solution

The fourth proportional to 159,692.22, 239,406.93 and 63,639.18 is: 95,406.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,692.22 : 239,406.93 = 63,639.18 : x
  2. Step 2: Convert to fraction form
    159,692.22/239,406.93 = 63,639.18/x
  3. Step 3: Cross multiply
    159,692.22x = 239,406.93 × 63,639.18
  4. Step 4: Simplify right side
    159,692.22x = 15,235,660,711.52
  5. Step 5: Solve for x
    x = 15,235,660,711.52/159,692.22
  6. Step 6: Final answer
    x = 95,406.41

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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.