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Finding the Fourth Proportional to 222,895.71, 334,339.65 and 89,772.57

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Solution

The fourth proportional to 222,895.71, 334,339.65 and 89,772.57 is: 134,657.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,895.71 : 334,339.65 = 89,772.57 : x
  2. Step 2: Convert to fraction form
    222,895.71/334,339.65 = 89,772.57/x
  3. Step 3: Cross multiply
    222,895.71x = 334,339.65 × 89,772.57
  4. Step 4: Simplify right side
    222,895.71x = 30,014,529,633.40
  5. Step 5: Solve for x
    x = 30,014,529,633.40/222,895.71
  6. Step 6: Final answer
    x = 134,657.28

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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.