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Finding the Fourth Proportional to 117,621.03, 176,259.30 and 58,338.33

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Solution

The fourth proportional to 117,621.03, 176,259.30 and 58,338.33 is: 87,422.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,621.03 : 176,259.30 = 58,338.33 : x
  2. Step 2: Convert to fraction form
    117,621.03/176,259.30 = 58,338.33/x
  3. Step 3: Cross multiply
    117,621.03x = 176,259.30 × 58,338.33
  4. Step 4: Simplify right side
    117,621.03x = 10,282,673,208.97
  5. Step 5: Solve for x
    x = 10,282,673,208.97/117,621.03
  6. Step 6: Final answer
    x = 87,422.06

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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.