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Finding the Fourth Proportional to 234,603.80, 351,831.38 and 84,824.27

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Solution

The fourth proportional to 234,603.80, 351,831.38 and 84,824.27 is: 127,209.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,603.80 : 351,831.38 = 84,824.27 : x
  2. Step 2: Convert to fraction form
    234,603.80/351,831.38 = 84,824.27/x
  3. Step 3: Cross multiply
    234,603.80x = 351,831.38 × 84,824.27
  4. Step 4: Simplify right side
    234,603.80x = 29,843,837,788.31
  5. Step 5: Solve for x
    x = 29,843,837,788.31/234,603.80
  6. Step 6: Final answer
    x = 127,209.53

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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.