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Finding the Fourth Proportional to 322,682.92, 484,079.74 and 98,066.06

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Solution

The fourth proportional to 322,682.92, 484,079.74 and 98,066.06 is: 147,115.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,682.92 : 484,079.74 = 98,066.06 : x
  2. Step 2: Convert to fraction form
    322,682.92/484,079.74 = 98,066.06/x
  3. Step 3: Cross multiply
    322,682.92x = 484,079.74 × 98,066.06
  4. Step 4: Simplify right side
    322,682.92x = 47,471,792,827.62
  5. Step 5: Solve for x
    x = 47,471,792,827.62/322,682.92
  6. Step 6: Final answer
    x = 147,115.91

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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.