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Finding the Fourth Proportional to 162,264, 223,924.32 and 91,608

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Solution

The fourth proportional to 162,264, 223,924.32 and 91,608 is: 126,419.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,264 : 223,924.32 = 91,608 : x
  2. Step 2: Convert to fraction form
    162,264/223,924.32 = 91,608/x
  3. Step 3: Cross multiply
    162,264x = 223,924.32 × 91,608
  4. Step 4: Simplify right side
    162,264x = 20,513,259,106.56
  5. Step 5: Solve for x
    x = 20,513,259,106.56/162,264
  6. Step 6: Final answer
    x = 126,419.04

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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.