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Finding the Fourth Proportional to 222,808.84, 334,130.10 and 89,644.12

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Solution

The fourth proportional to 222,808.84, 334,130.10 and 89,644.12 is: 134,432.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,808.84 : 334,130.10 = 89,644.12 : x
  2. Step 2: Convert to fraction form
    222,808.84/334,130.10 = 89,644.12/x
  3. Step 3: Cross multiply
    222,808.84x = 334,130.10 × 89,644.12
  4. Step 4: Simplify right side
    222,808.84x = 29,952,798,780.01
  5. Step 5: Solve for x
    x = 29,952,798,780.01/222,808.84
  6. Step 6: Final answer
    x = 134,432.72

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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.