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Finding the Fourth Proportional to 56,773.68, 85,049.79 and 48,875.87

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Solution

The fourth proportional to 56,773.68, 85,049.79 and 48,875.87 is: 73,218.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,773.68 : 85,049.79 = 48,875.87 : x
  2. Step 2: Convert to fraction form
    56,773.68/85,049.79 = 48,875.87/x
  3. Step 3: Cross multiply
    56,773.68x = 85,049.79 × 48,875.87
  4. Step 4: Simplify right side
    56,773.68x = 4,156,882,479.57
  5. Step 5: Solve for x
    x = 4,156,882,479.57/56,773.68
  6. Step 6: Final answer
    x = 73,218.48

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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.