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Finding the Fourth Proportional to 56,844.86, 85,267.49 and 55,474.74

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Solution

The fourth proportional to 56,844.86, 85,267.49 and 55,474.74 is: 83,212.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,844.86 : 85,267.49 = 55,474.74 : x
  2. Step 2: Convert to fraction form
    56,844.86/85,267.49 = 55,474.74/x
  3. Step 3: Cross multiply
    56,844.86x = 85,267.49 × 55,474.74
  4. Step 4: Simplify right side
    56,844.86x = 4,730,191,560.83
  5. Step 5: Solve for x
    x = 4,730,191,560.83/56,844.86
  6. Step 6: Final answer
    x = 83,212.31

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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.