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Finding the Fourth Proportional to 222,720.30, 334,080.45 and 104,622.30

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Solution

The fourth proportional to 222,720.30, 334,080.45 and 104,622.30 is: 156,933.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,720.30 : 334,080.45 = 104,622.30 : x
  2. Step 2: Convert to fraction form
    222,720.30/334,080.45 = 104,622.30/x
  3. Step 3: Cross multiply
    222,720.30x = 334,080.45 × 104,622.30
  4. Step 4: Simplify right side
    222,720.30x = 34,952,265,064.04
  5. Step 5: Solve for x
    x = 34,952,265,064.04/222,720.30
  6. Step 6: Final answer
    x = 156,933.45

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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.