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Finding the Fourth Proportional to 147,266.98, 220,872.26 and 40,624.40

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Solution

The fourth proportional to 147,266.98, 220,872.26 and 40,624.40 is: 60,928.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,266.98 : 220,872.26 = 40,624.40 : x
  2. Step 2: Convert to fraction form
    147,266.98/220,872.26 = 40,624.40/x
  3. Step 3: Cross multiply
    147,266.98x = 220,872.26 × 40,624.40
  4. Step 4: Simplify right side
    147,266.98x = 8,972,803,692.89
  5. Step 5: Solve for x
    x = 8,972,803,692.89/147,266.98
  6. Step 6: Final answer
    x = 60,928.82

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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.