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Finding the Fourth Proportional to 322,161, 483,310.62 and 125,169

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Solution

The fourth proportional to 322,161, 483,310.62 and 125,169 is: 187,780.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,161 : 483,310.62 = 125,169 : x
  2. Step 2: Convert to fraction form
    322,161/483,310.62 = 125,169/x
  3. Step 3: Cross multiply
    322,161x = 483,310.62 × 125,169
  4. Step 4: Simplify right side
    322,161x = 60,495,506,994.78
  5. Step 5: Solve for x
    x = 60,495,506,994.78/322,161
  6. Step 6: Final answer
    x = 187,780.36

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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.