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Finding the Fourth Proportional to 156,878.52, 216,525.78 and 96,500.04

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Solution

The fourth proportional to 156,878.52, 216,525.78 and 96,500.04 is: 133,190.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,878.52 : 216,525.78 = 96,500.04 : x
  2. Step 2: Convert to fraction form
    156,878.52/216,525.78 = 96,500.04/x
  3. Step 3: Cross multiply
    156,878.52x = 216,525.78 × 96,500.04
  4. Step 4: Simplify right side
    156,878.52x = 20,894,746,431.03
  5. Step 5: Solve for x
    x = 20,894,746,431.03/156,878.52
  6. Step 6: Final answer
    x = 133,190.61

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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.