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Finding the Fourth Proportional to 222,503.72, 333,776.08 and 72,744.80

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Solution

The fourth proportional to 222,503.72, 333,776.08 and 72,744.80 is: 109,123.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,503.72 : 333,776.08 = 72,744.80 : x
  2. Step 2: Convert to fraction form
    222,503.72/333,776.08 = 72,744.80/x
  3. Step 3: Cross multiply
    222,503.72x = 333,776.08 × 72,744.80
  4. Step 4: Simplify right side
    222,503.72x = 24,280,474,184.38
  5. Step 5: Solve for x
    x = 24,280,474,184.38/222,503.72
  6. Step 6: Final answer
    x = 109,123.90

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1.5x scale

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.