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Finding the Fourth Proportional to 131,998.16, 197,951.16 and 53,091.92

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Solution

The fourth proportional to 131,998.16, 197,951.16 and 53,091.92 is: 79,619.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,998.16 : 197,951.16 = 53,091.92 : x
  2. Step 2: Convert to fraction form
    131,998.16/197,951.16 = 53,091.92/x
  3. Step 3: Cross multiply
    131,998.16x = 197,951.16 × 53,091.92
  4. Step 4: Simplify right side
    131,998.16x = 10,509,607,150.63
  5. Step 5: Solve for x
    x = 10,509,607,150.63/131,998.16
  6. Step 6: Final answer
    x = 79,619.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.