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Finding the Fourth Proportional to 222,505.34, 333,778.50 and 72,746.42

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Solution

The fourth proportional to 222,505.34, 333,778.50 and 72,746.42 is: 109,126.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,505.34 : 333,778.50 = 72,746.42 : x
  2. Step 2: Convert to fraction form
    222,505.34/333,778.50 = 72,746.42/x
  3. Step 3: Cross multiply
    222,505.34x = 333,778.50 × 72,746.42
  4. Step 4: Simplify right side
    222,505.34x = 24,281,190,947.97
  5. Step 5: Solve for x
    x = 24,281,190,947.97/222,505.34
  6. Step 6: Final answer
    x = 109,126.33

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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.