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Finding the Fourth Proportional to 156,703.92, 216,248.22 and 88,733.76

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Solution

The fourth proportional to 156,703.92, 216,248.22 and 88,733.76 is: 122,450.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,703.92 : 216,248.22 = 88,733.76 : x
  2. Step 2: Convert to fraction form
    156,703.92/216,248.22 = 88,733.76/x
  3. Step 3: Cross multiply
    156,703.92x = 216,248.22 × 88,733.76
  4. Step 4: Simplify right side
    156,703.92x = 19,188,517,653.91
  5. Step 5: Solve for x
    x = 19,188,517,653.91/156,703.92
  6. Step 6: Final answer
    x = 122,450.78

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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.