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Finding the Fourth Proportional to 222,830.81, 334,079.98 and 134,063.51

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Solution

The fourth proportional to 222,830.81, 334,079.98 and 134,063.51 is: 200,995.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,830.81 : 334,079.98 = 134,063.51 : x
  2. Step 2: Convert to fraction form
    222,830.81/334,079.98 = 134,063.51/x
  3. Step 3: Cross multiply
    222,830.81x = 334,079.98 × 134,063.51
  4. Step 4: Simplify right side
    222,830.81x = 44,787,934,739.53
  5. Step 5: Solve for x
    x = 44,787,934,739.53/222,830.81
  6. Step 6: Final answer
    x = 200,995.25

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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.