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Finding the Fourth Proportional to 188,460.48, 259,988.76 and 115,797.42

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Solution

The fourth proportional to 188,460.48, 259,988.76 and 115,797.42 is: 159,747.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,460.48 : 259,988.76 = 115,797.42 : x
  2. Step 2: Convert to fraction form
    188,460.48/259,988.76 = 115,797.42/x
  3. Step 3: Cross multiply
    188,460.48x = 259,988.76 × 115,797.42
  4. Step 4: Simplify right side
    188,460.48x = 30,106,027,637.00
  5. Step 5: Solve for x
    x = 30,106,027,637.00/188,460.48
  6. Step 6: Final answer
    x = 159,747.17

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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.