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Finding the Fourth Proportional to 156,771.88, 216,284.22 and 88,773.24

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Solution

The fourth proportional to 156,771.88, 216,284.22 and 88,773.24 is: 122,472.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,771.88 : 216,284.22 = 88,773.24 : x
  2. Step 2: Convert to fraction form
    156,771.88/216,284.22 = 88,773.24/x
  3. Step 3: Cross multiply
    156,771.88x = 216,284.22 × 88,773.24
  4. Step 4: Simplify right side
    156,771.88x = 19,200,250,970.27
  5. Step 5: Solve for x
    x = 19,200,250,970.27/156,771.88
  6. Step 6: Final answer
    x = 122,472.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.