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Finding the Fourth Proportional to 234,365.25, 323,418 and 132,401.25

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Solution

The fourth proportional to 234,365.25, 323,418 and 132,401.25 is: 182,710.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,365.25 : 323,418 = 132,401.25 : x
  2. Step 2: Convert to fraction form
    234,365.25/323,418 = 132,401.25/x
  3. Step 3: Cross multiply
    234,365.25x = 323,418 × 132,401.25
  4. Step 4: Simplify right side
    234,365.25x = 42,820,947,472.50
  5. Step 5: Solve for x
    x = 42,820,947,472.50/234,365.25
  6. Step 6: Final answer
    x = 182,710.31

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1.5x scale

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.