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Finding the Fourth Proportional to 222,572.40, 333,858.60 and 156,087.60

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Solution

The fourth proportional to 222,572.40, 333,858.60 and 156,087.60 is: 234,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,572.40 : 333,858.60 = 156,087.60 : x
  2. Step 2: Convert to fraction form
    222,572.40/333,858.60 = 156,087.60/x
  3. Step 3: Cross multiply
    222,572.40x = 333,858.60 × 156,087.60
  4. Step 4: Simplify right side
    222,572.40x = 52,111,187,613.36
  5. Step 5: Solve for x
    x = 52,111,187,613.36/222,572.40
  6. Step 6: Final answer
    x = 234,131.40

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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.