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Finding the Fourth Proportional to 279,565.56, 419,296.50 and 92,552.76

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Solution

The fourth proportional to 279,565.56, 419,296.50 and 92,552.76 is: 138,811.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,565.56 : 419,296.50 = 92,552.76 : x
  2. Step 2: Convert to fraction form
    279,565.56/419,296.50 = 92,552.76/x
  3. Step 3: Cross multiply
    279,565.56x = 419,296.50 × 92,552.76
  4. Step 4: Simplify right side
    279,565.56x = 38,807,048,333.34
  5. Step 5: Solve for x
    x = 38,807,048,333.34/279,565.56
  6. Step 6: Final answer
    x = 138,811.98

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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.