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Finding the Fourth Proportional to 194,819.60, 292,226.22 and 61,699.68

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Solution

The fourth proportional to 194,819.60, 292,226.22 and 61,699.68 is: 92,548.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,819.60 : 292,226.22 = 61,699.68 : x
  2. Step 2: Convert to fraction form
    194,819.60/292,226.22 = 61,699.68/x
  3. Step 3: Cross multiply
    194,819.60x = 292,226.22 × 61,699.68
  4. Step 4: Simplify right side
    194,819.60x = 18,030,264,261.61
  5. Step 5: Solve for x
    x = 18,030,264,261.61/194,819.60
  6. Step 6: Final answer
    x = 92,548.51

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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.