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Finding the Fourth Proportional to 179,967.93, 248,403.78 and 103,495.38

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Solution

The fourth proportional to 179,967.93, 248,403.78 and 103,495.38 is: 142,851.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,967.93 : 248,403.78 = 103,495.38 : x
  2. Step 2: Convert to fraction form
    179,967.93/248,403.78 = 103,495.38/x
  3. Step 3: Cross multiply
    179,967.93x = 248,403.78 × 103,495.38
  4. Step 4: Simplify right side
    179,967.93x = 25,708,643,604.54
  5. Step 5: Solve for x
    x = 25,708,643,604.54/179,967.93
  6. Step 6: Final answer
    x = 142,851.25

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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.