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Finding the Fourth Proportional to 56,867.59, 85,232.20 and 40,232.41

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Solution

The fourth proportional to 56,867.59, 85,232.20 and 40,232.41 is: 60,299.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,867.59 : 85,232.20 = 40,232.41 : x
  2. Step 2: Convert to fraction form
    56,867.59/85,232.20 = 40,232.41/x
  3. Step 3: Cross multiply
    56,867.59x = 85,232.20 × 40,232.41
  4. Step 4: Simplify right side
    56,867.59x = 3,429,097,056.81
  5. Step 5: Solve for x
    x = 3,429,097,056.81/56,867.59
  6. Step 6: Final answer
    x = 60,299.68

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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.