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Finding the Fourth Proportional to 118,876.19, 178,322.44 and 43,994.68

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Solution

The fourth proportional to 118,876.19, 178,322.44 and 43,994.68 is: 65,995.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,876.19 : 178,322.44 = 43,994.68 : x
  2. Step 2: Convert to fraction form
    118,876.19/178,322.44 = 43,994.68/x
  3. Step 3: Cross multiply
    118,876.19x = 178,322.44 × 43,994.68
  4. Step 4: Simplify right side
    118,876.19x = 7,845,238,128.83
  5. Step 5: Solve for x
    x = 7,845,238,128.83/118,876.19
  6. Step 6: Final answer
    x = 65,995.03

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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.