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Finding the Fourth Proportional to 365,906.20, 548,698.02 and 116,613.40

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Solution

The fourth proportional to 365,906.20, 548,698.02 and 116,613.40 is: 174,868.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,906.20 : 548,698.02 = 116,613.40 : x
  2. Step 2: Convert to fraction form
    365,906.20/548,698.02 = 116,613.40/x
  3. Step 3: Cross multiply
    365,906.20x = 548,698.02 × 116,613.40
  4. Step 4: Simplify right side
    365,906.20x = 63,985,541,685.47
  5. Step 5: Solve for x
    x = 63,985,541,685.47/365,906.20
  6. Step 6: Final answer
    x = 174,868.70

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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.