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Finding the Fourth Proportional to 156,651.89, 234,986.98 and 44,322.71

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Solution

The fourth proportional to 156,651.89, 234,986.98 and 44,322.71 is: 66,486.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,651.89 : 234,986.98 = 44,322.71 : x
  2. Step 2: Convert to fraction form
    156,651.89/234,986.98 = 44,322.71/x
  3. Step 3: Cross multiply
    156,651.89x = 234,986.98 × 44,322.71
  4. Step 4: Simplify right side
    156,651.89x = 10,415,259,768.32
  5. Step 5: Solve for x
    x = 10,415,259,768.32/156,651.89
  6. Step 6: Final answer
    x = 66,486.65

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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.