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Finding the Fourth Proportional to 156,651.71, 234,986.70 and 44,322.53

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Solution

The fourth proportional to 156,651.71, 234,986.70 and 44,322.53 is: 66,486.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,651.71 : 234,986.70 = 44,322.53 : x
  2. Step 2: Convert to fraction form
    156,651.71/234,986.70 = 44,322.53/x
  3. Step 3: Cross multiply
    156,651.71x = 234,986.70 × 44,322.53
  4. Step 4: Simplify right side
    156,651.71x = 10,415,205,060.35
  5. Step 5: Solve for x
    x = 10,415,205,060.35/156,651.71
  6. Step 6: Final answer
    x = 66,486.38

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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.