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Finding the Fourth Proportional to 173,804.58, 239,837.49 and 98,338.50

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Solution

The fourth proportional to 173,804.58, 239,837.49 and 98,338.50 is: 135,699.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,804.58 : 239,837.49 = 98,338.50 : x
  2. Step 2: Convert to fraction form
    173,804.58/239,837.49 = 98,338.50/x
  3. Step 3: Cross multiply
    173,804.58x = 239,837.49 × 98,338.50
  4. Step 4: Simplify right side
    173,804.58x = 23,585,259,010.37
  5. Step 5: Solve for x
    x = 23,585,259,010.37/173,804.58
  6. Step 6: Final answer
    x = 135,699.87

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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.