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Finding the Fourth Proportional to 222,804.84, 334,124.10 and 89,640.12

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Solution

The fourth proportional to 222,804.84, 334,124.10 and 89,640.12 is: 134,426.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,804.84 : 334,124.10 = 89,640.12 : x
  2. Step 2: Convert to fraction form
    222,804.84/334,124.10 = 89,640.12/x
  3. Step 3: Cross multiply
    222,804.84x = 334,124.10 × 89,640.12
  4. Step 4: Simplify right side
    222,804.84x = 29,950,924,418.89
  5. Step 5: Solve for x
    x = 29,950,924,418.89/222,804.84
  6. Step 6: Final answer
    x = 134,426.72

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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.