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Finding the Fourth Proportional to 188,544.73, 260,185.08 and 103,661.14

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Solution

The fourth proportional to 188,544.73, 260,185.08 and 103,661.14 is: 143,048.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,544.73 : 260,185.08 = 103,661.14 : x
  2. Step 2: Convert to fraction form
    188,544.73/260,185.08 = 103,661.14/x
  3. Step 3: Cross multiply
    188,544.73x = 260,185.08 × 103,661.14
  4. Step 4: Simplify right side
    188,544.73x = 26,971,082,003.79
  5. Step 5: Solve for x
    x = 26,971,082,003.79/188,544.73
  6. Step 6: Final answer
    x = 143,048.72

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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.