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Finding the Fourth Proportional to 156,717.68, 216,362.69 and 95,486.96

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Solution

The fourth proportional to 156,717.68, 216,362.69 and 95,486.96 is: 131,828.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,717.68 : 216,362.69 = 95,486.96 : x
  2. Step 2: Convert to fraction form
    156,717.68/216,362.69 = 95,486.96/x
  3. Step 3: Cross multiply
    156,717.68x = 216,362.69 × 95,486.96
  4. Step 4: Simplify right side
    156,717.68x = 20,659,813,966.27
  5. Step 5: Solve for x
    x = 20,659,813,966.27/156,717.68
  6. Step 6: Final answer
    x = 131,828.23

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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.