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Finding the Fourth Proportional to 270,221.85, 372,907.62 and 147,714.39

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Solution

The fourth proportional to 270,221.85, 372,907.62 and 147,714.39 is: 203,846.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,221.85 : 372,907.62 = 147,714.39 : x
  2. Step 2: Convert to fraction form
    270,221.85/372,907.62 = 147,714.39/x
  3. Step 3: Cross multiply
    270,221.85x = 372,907.62 × 147,714.39
  4. Step 4: Simplify right side
    270,221.85x = 55,083,821,614.65
  5. Step 5: Solve for x
    x = 55,083,821,614.65/270,221.85
  6. Step 6: Final answer
    x = 203,846.66

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1.5x scale

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.