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Finding the Fourth Proportional to 367,488.80, 551,200.80 and 101,225.60

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Solution

The fourth proportional to 367,488.80, 551,200.80 and 101,225.60 is: 151,829.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,488.80 : 551,200.80 = 101,225.60 : x
  2. Step 2: Convert to fraction form
    367,488.80/551,200.80 = 101,225.60/x
  3. Step 3: Cross multiply
    367,488.80x = 551,200.80 × 101,225.60
  4. Step 4: Simplify right side
    367,488.80x = 55,795,631,700.48
  5. Step 5: Solve for x
    x = 55,795,631,700.48/367,488.80
  6. Step 6: Final answer
    x = 151,829.48

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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.