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Finding the Fourth Proportional to 270,703.32, 406,076.04 and 112,976.88

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Solution

The fourth proportional to 270,703.32, 406,076.04 and 112,976.88 is: 169,474.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,703.32 : 406,076.04 = 112,976.88 : x
  2. Step 2: Convert to fraction form
    270,703.32/406,076.04 = 112,976.88/x
  3. Step 3: Cross multiply
    270,703.32x = 406,076.04 × 112,976.88
  4. Step 4: Simplify right side
    270,703.32x = 45,877,204,041.96
  5. Step 5: Solve for x
    x = 45,877,204,041.96/270,703.32
  6. Step 6: Final answer
    x = 169,474.11

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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.