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Finding the Fourth Proportional to 222,116.40, 333,174.34 and 72,356.45

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Solution

The fourth proportional to 222,116.40, 333,174.34 and 72,356.45 is: 108,534.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,116.40 : 333,174.34 = 72,356.45 : x
  2. Step 2: Convert to fraction form
    222,116.40/333,174.34 = 72,356.45/x
  3. Step 3: Cross multiply
    222,116.40x = 333,174.34 × 72,356.45
  4. Step 4: Simplify right side
    222,116.40x = 24,107,311,731.00
  5. Step 5: Solve for x
    x = 24,107,311,731.00/222,116.40
  6. Step 6: Final answer
    x = 108,534.59

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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.