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Finding the Fourth Proportional to 188,980.08, 260,792.52 and 104,097.14

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Solution

The fourth proportional to 188,980.08, 260,792.52 and 104,097.14 is: 143,654.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,980.08 : 260,792.52 = 104,097.14 : x
  2. Step 2: Convert to fraction form
    188,980.08/260,792.52 = 104,097.14/x
  3. Step 3: Cross multiply
    188,980.08x = 260,792.52 × 104,097.14
  4. Step 4: Simplify right side
    188,980.08x = 27,147,754,749.04
  5. Step 5: Solve for x
    x = 27,147,754,749.04/188,980.08
  6. Step 6: Final answer
    x = 143,654.06

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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.