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Finding the Fourth Proportional to 222,219.20, 333,377.40 and 72,466.40

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Solution

The fourth proportional to 222,219.20, 333,377.40 and 72,466.40 is: 108,715.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,219.20 : 333,377.40 = 72,466.40 : x
  2. Step 2: Convert to fraction form
    222,219.20/333,377.40 = 72,466.40/x
  3. Step 3: Cross multiply
    222,219.20x = 333,377.40 × 72,466.40
  4. Step 4: Simplify right side
    222,219.20x = 24,158,660,019.36
  5. Step 5: Solve for x
    x = 24,158,660,019.36/222,219.20
  6. Step 6: Final answer
    x = 108,715.45

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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.