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Finding the Fourth Proportional to 143,253.92, 197,751.02 and 96,696.88

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Solution

The fourth proportional to 143,253.92, 197,751.02 and 96,696.88 is: 133,482.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,253.92 : 197,751.02 = 96,696.88 : x
  2. Step 2: Convert to fraction form
    143,253.92/197,751.02 = 96,696.88/x
  3. Step 3: Cross multiply
    143,253.92x = 197,751.02 × 96,696.88
  4. Step 4: Simplify right side
    143,253.92x = 19,121,906,650.82
  5. Step 5: Solve for x
    x = 19,121,906,650.82/143,253.92
  6. Step 6: Final answer
    x = 133,482.61

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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.