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Finding the Fourth Proportional to 222,757.40, 334,136.10 and 104,659.40

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Solution

The fourth proportional to 222,757.40, 334,136.10 and 104,659.40 is: 156,989.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,757.40 : 334,136.10 = 104,659.40 : x
  2. Step 2: Convert to fraction form
    222,757.40/334,136.10 = 104,659.40/x
  3. Step 3: Cross multiply
    222,757.40x = 334,136.10 × 104,659.40
  4. Step 4: Simplify right side
    222,757.40x = 34,970,483,744.34
  5. Step 5: Solve for x
    x = 34,970,483,744.34/222,757.40
  6. Step 6: Final answer
    x = 156,989.10

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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.