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Finding the Fourth Proportional to 222,756.80, 334,135.20 and 110,393.60

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Solution

The fourth proportional to 222,756.80, 334,135.20 and 110,393.60 is: 165,590.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,756.80 : 334,135.20 = 110,393.60 : x
  2. Step 2: Convert to fraction form
    222,756.80/334,135.20 = 110,393.60/x
  3. Step 3: Cross multiply
    222,756.80x = 334,135.20 × 110,393.60
  4. Step 4: Simplify right side
    222,756.80x = 36,886,387,614.72
  5. Step 5: Solve for x
    x = 36,886,387,614.72/222,756.80
  6. Step 6: Final answer
    x = 165,590.40

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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.