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Finding the Fourth Proportional to 188,010.84, 259,419.06 and 107,463.90

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Solution

The fourth proportional to 188,010.84, 259,419.06 and 107,463.90 is: 148,279.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,010.84 : 259,419.06 = 107,463.90 : x
  2. Step 2: Convert to fraction form
    188,010.84/259,419.06 = 107,463.90/x
  3. Step 3: Cross multiply
    188,010.84x = 259,419.06 × 107,463.90
  4. Step 4: Simplify right side
    188,010.84x = 27,878,183,921.93
  5. Step 5: Solve for x
    x = 27,878,183,921.93/188,010.84
  6. Step 6: Final answer
    x = 148,279.66

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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.