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Finding the Fourth Proportional to 242,317.77, 363,642.76 and 84,546.28

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Solution

The fourth proportional to 242,317.77, 363,642.76 and 84,546.28 is: 126,877.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,317.77 : 363,642.76 = 84,546.28 : x
  2. Step 2: Convert to fraction form
    242,317.77/363,642.76 = 84,546.28/x
  3. Step 3: Cross multiply
    242,317.77x = 363,642.76 × 84,546.28
  4. Step 4: Simplify right side
    242,317.77x = 30,744,640,788.72
  5. Step 5: Solve for x
    x = 30,744,640,788.72/242,317.77
  6. Step 6: Final answer
    x = 126,877.37

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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.