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Finding the Fourth Proportional to 270,239.32, 372,878.94 and 169,591.96

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Solution

The fourth proportional to 270,239.32, 372,878.94 and 169,591.96 is: 234,004.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,239.32 : 372,878.94 = 169,591.96 : x
  2. Step 2: Convert to fraction form
    270,239.32/372,878.94 = 169,591.96/x
  3. Step 3: Cross multiply
    270,239.32x = 372,878.94 × 169,591.96
  4. Step 4: Simplify right side
    270,239.32x = 63,237,270,277.32
  5. Step 5: Solve for x
    x = 63,237,270,277.32/270,239.32
  6. Step 6: Final answer
    x = 234,004.70

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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.