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Finding the Fourth Proportional to 222,767.40, 334,151.10 and 117,791.40

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Solution

The fourth proportional to 222,767.40, 334,151.10 and 117,791.40 is: 176,687.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,767.40 : 334,151.10 = 117,791.40 : x
  2. Step 2: Convert to fraction form
    222,767.40/334,151.10 = 117,791.40/x
  3. Step 3: Cross multiply
    222,767.40x = 334,151.10 × 117,791.40
  4. Step 4: Simplify right side
    222,767.40x = 39,360,125,880.54
  5. Step 5: Solve for x
    x = 39,360,125,880.54/222,767.40
  6. Step 6: Final answer
    x = 176,687.10

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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.