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Finding the Fourth Proportional to 445,773.59, 668,658.08 and 108,816.02

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Solution

The fourth proportional to 445,773.59, 668,658.08 and 108,816.02 is: 163,223.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,773.59 : 668,658.08 = 108,816.02 : x
  2. Step 2: Convert to fraction form
    445,773.59/668,658.08 = 108,816.02/x
  3. Step 3: Cross multiply
    445,773.59x = 668,658.08 × 108,816.02
  4. Step 4: Simplify right side
    445,773.59x = 72,760,711,006.44
  5. Step 5: Solve for x
    x = 72,760,711,006.44/445,773.59
  6. Step 6: Final answer
    x = 163,223.47

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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.