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Finding the Fourth Proportional to 172,099.16, 237,471.16 and 96,633.08

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Solution

The fourth proportional to 172,099.16, 237,471.16 and 96,633.08 is: 133,339.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,099.16 : 237,471.16 = 96,633.08 : x
  2. Step 2: Convert to fraction form
    172,099.16/237,471.16 = 96,633.08/x
  3. Step 3: Cross multiply
    172,099.16x = 237,471.16 × 96,633.08
  4. Step 4: Simplify right side
    172,099.16x = 22,947,569,601.97
  5. Step 5: Solve for x
    x = 22,947,569,601.97/172,099.16
  6. Step 6: Final answer
    x = 133,339.23

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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.