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Finding the Fourth Proportional to 179,990.62, 248,389.68 and 104,539.12

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Solution

The fourth proportional to 179,990.62, 248,389.68 and 104,539.12 is: 144,265.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,990.62 : 248,389.68 = 104,539.12 : x
  2. Step 2: Convert to fraction form
    179,990.62/248,389.68 = 104,539.12/x
  3. Step 3: Cross multiply
    179,990.62x = 248,389.68 × 104,539.12
  4. Step 4: Simplify right side
    179,990.62x = 25,966,438,564.28
  5. Step 5: Solve for x
    x = 25,966,438,564.28/179,990.62
  6. Step 6: Final answer
    x = 144,265.51

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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.