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Finding the Fourth Proportional to 222,047.40, 333,071.10 and 72,301.80

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Solution

The fourth proportional to 222,047.40, 333,071.10 and 72,301.80 is: 108,452.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,047.40 : 333,071.10 = 72,301.80 : x
  2. Step 2: Convert to fraction form
    222,047.40/333,071.10 = 72,301.80/x
  3. Step 3: Cross multiply
    222,047.40x = 333,071.10 × 72,301.80
  4. Step 4: Simplify right side
    222,047.40x = 24,081,640,057.98
  5. Step 5: Solve for x
    x = 24,081,640,057.98/222,047.40
  6. Step 6: Final answer
    x = 108,452.70

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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.