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Finding the Fourth Proportional to 363,763.71, 545,706.72 and 164,079.27

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Solution

The fourth proportional to 363,763.71, 545,706.72 and 164,079.27 is: 246,146.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,763.71 : 545,706.72 = 164,079.27 : x
  2. Step 2: Convert to fraction form
    363,763.71/545,706.72 = 164,079.27/x
  3. Step 3: Cross multiply
    363,763.71x = 545,706.72 × 164,079.27
  4. Step 4: Simplify right side
    363,763.71x = 89,539,160,251.69
  5. Step 5: Solve for x
    x = 89,539,160,251.69/363,763.71
  6. Step 6: Final answer
    x = 246,146.49

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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.