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Finding the Fourth Proportional to 156,758.92, 216,327.23 and 88,775.87

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Solution

The fourth proportional to 156,758.92, 216,327.23 and 88,775.87 is: 122,510.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,758.92 : 216,327.23 = 88,775.87 : x
  2. Step 2: Convert to fraction form
    156,758.92/216,327.23 = 88,775.87/x
  3. Step 3: Cross multiply
    156,758.92x = 216,327.23 × 88,775.87
  4. Step 4: Simplify right side
    156,758.92x = 19,204,638,930.28
  5. Step 5: Solve for x
    x = 19,204,638,930.28/156,758.92
  6. Step 6: Final answer
    x = 122,510.66

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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.