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Finding the Fourth Proportional to 270,189.60, 372,907.92 and 157,077.96

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Solution

The fourth proportional to 270,189.60, 372,907.92 and 157,077.96 is: 216,794.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,189.60 : 372,907.92 = 157,077.96 : x
  2. Step 2: Convert to fraction form
    270,189.60/372,907.92 = 157,077.96/x
  3. Step 3: Cross multiply
    270,189.60x = 372,907.92 × 157,077.96
  4. Step 4: Simplify right side
    270,189.60x = 58,575,615,341.44
  5. Step 5: Solve for x
    x = 58,575,615,341.44/270,189.60
  6. Step 6: Final answer
    x = 216,794.49

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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.