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Finding the Fourth Proportional to 270,951.15, 373,907.90 and 150,089.90

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Solution

The fourth proportional to 270,951.15, 373,907.90 and 150,089.90 is: 207,121.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,951.15 : 373,907.90 = 150,089.90 : x
  2. Step 2: Convert to fraction form
    270,951.15/373,907.90 = 150,089.90/x
  3. Step 3: Cross multiply
    270,951.15x = 373,907.90 × 150,089.90
  4. Step 4: Simplify right side
    270,951.15x = 56,119,796,700.22
  5. Step 5: Solve for x
    x = 56,119,796,700.22/270,951.15
  6. Step 6: Final answer
    x = 207,121.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.