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Finding the Fourth Proportional to 222,051.57, 333,021.87 and 87,143.04

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Solution

The fourth proportional to 222,051.57, 333,021.87 and 87,143.04 is: 130,692.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,051.57 : 333,021.87 = 87,143.04 : x
  2. Step 2: Convert to fraction form
    222,051.57/333,021.87 = 87,143.04/x
  3. Step 3: Cross multiply
    222,051.57x = 333,021.87 × 87,143.04
  4. Step 4: Simplify right side
    222,051.57x = 29,020,538,138.28
  5. Step 5: Solve for x
    x = 29,020,538,138.28/222,051.57
  6. Step 6: Final answer
    x = 130,692.79

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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.