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Finding the Fourth Proportional to 100,435.38, 150,342.01 and 58,963.38

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Solution

The fourth proportional to 100,435.38, 150,342.01 and 58,963.38 is: 88,262.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,435.38 : 150,342.01 = 58,963.38 : x
  2. Step 2: Convert to fraction form
    100,435.38/150,342.01 = 58,963.38/x
  3. Step 3: Cross multiply
    100,435.38x = 150,342.01 × 58,963.38
  4. Step 4: Simplify right side
    100,435.38x = 8,864,673,065.59
  5. Step 5: Solve for x
    x = 8,864,673,065.59/100,435.38
  6. Step 6: Final answer
    x = 88,262.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.