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Finding the Fourth Proportional to 156,760.92, 216,329.99 and 88,777.87

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Solution

The fourth proportional to 156,760.92, 216,329.99 and 88,777.87 is: 122,513.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,760.92 : 216,329.99 = 88,777.87 : x
  2. Step 2: Convert to fraction form
    156,760.92/216,329.99 = 88,777.87/x
  3. Step 3: Cross multiply
    156,760.92x = 216,329.99 × 88,777.87
  4. Step 4: Simplify right side
    156,760.92x = 19,205,315,729.32
  5. Step 5: Solve for x
    x = 19,205,315,729.32/156,760.92
  6. Step 6: Final answer
    x = 122,513.42

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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.