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Finding the Fourth Proportional to 162,249.48, 223,905.06 and 90,632.52

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Solution

The fourth proportional to 162,249.48, 223,905.06 and 90,632.52 is: 125,073.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,249.48 : 223,905.06 = 90,632.52 : x
  2. Step 2: Convert to fraction form
    162,249.48/223,905.06 = 90,632.52/x
  3. Step 3: Cross multiply
    162,249.48x = 223,905.06 × 90,632.52
  4. Step 4: Simplify right side
    162,249.48x = 20,293,079,828.55
  5. Step 5: Solve for x
    x = 20,293,079,828.55/162,249.48
  6. Step 6: Final answer
    x = 125,073.31

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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.