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Finding the Fourth Proportional to 367,368.80, 551,020.80 and 101,105.60

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Solution

The fourth proportional to 367,368.80, 551,020.80 and 101,105.60 is: 151,649.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,368.80 : 551,020.80 = 101,105.60 : x
  2. Step 2: Convert to fraction form
    367,368.80/551,020.80 = 101,105.60/x
  3. Step 3: Cross multiply
    367,368.80x = 551,020.80 × 101,105.60
  4. Step 4: Simplify right side
    367,368.80x = 55,711,288,596.48
  5. Step 5: Solve for x
    x = 55,711,288,596.48/367,368.80
  6. Step 6: Final answer
    x = 151,649.48

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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.