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Finding the Fourth Proportional to 172,285.68, 237,728.52 and 96,819.60

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Solution

The fourth proportional to 172,285.68, 237,728.52 and 96,819.60 is: 133,596.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,285.68 : 237,728.52 = 96,819.60 : x
  2. Step 2: Convert to fraction form
    172,285.68/237,728.52 = 96,819.60/x
  3. Step 3: Cross multiply
    172,285.68x = 237,728.52 × 96,819.60
  4. Step 4: Simplify right side
    172,285.68x = 23,016,780,214.99
  5. Step 5: Solve for x
    x = 23,016,780,214.99/172,285.68
  6. Step 6: Final answer
    x = 133,596.59

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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.