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Finding the Fourth Proportional to 222,761.86, 334,065 and 89,607.58

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Solution

The fourth proportional to 222,761.86, 334,065 and 89,607.58 is: 134,380.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,761.86 : 334,065 = 89,607.58 : x
  2. Step 2: Convert to fraction form
    222,761.86/334,065 = 89,607.58/x
  3. Step 3: Cross multiply
    222,761.86x = 334,065 × 89,607.58
  4. Step 4: Simplify right side
    222,761.86x = 29,934,756,212.70
  5. Step 5: Solve for x
    x = 29,934,756,212.70/222,761.86
  6. Step 6: Final answer
    x = 134,380.08

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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.