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Finding the Fourth Proportional to 197,809.50, 296,727.93 and 79,480.74

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Solution

The fourth proportional to 197,809.50, 296,727.93 and 79,480.74 is: 119,226.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,809.50 : 296,727.93 = 79,480.74 : x
  2. Step 2: Convert to fraction form
    197,809.50/296,727.93 = 79,480.74/x
  3. Step 3: Cross multiply
    197,809.50x = 296,727.93 × 79,480.74
  4. Step 4: Simplify right side
    197,809.50x = 23,584,155,455.07
  5. Step 5: Solve for x
    x = 23,584,155,455.07/197,809.50
  6. Step 6: Final answer
    x = 119,226.61

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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.