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Finding the Fourth Proportional to 156,801.96, 216,379.77 and 88,817.57

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Solution

The fourth proportional to 156,801.96, 216,379.77 and 88,817.57 is: 122,564.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,801.96 : 216,379.77 = 88,817.57 : x
  2. Step 2: Convert to fraction form
    156,801.96/216,379.77 = 88,817.57/x
  3. Step 3: Cross multiply
    156,801.96x = 216,379.77 × 88,817.57
  4. Step 4: Simplify right side
    156,801.96x = 19,218,324,765.02
  5. Step 5: Solve for x
    x = 19,218,324,765.02/156,801.96
  6. Step 6: Final answer
    x = 122,564.31

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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.