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Finding the Fourth Proportional to 100,434.38, 150,340.51 and 58,962.38

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Solution

The fourth proportional to 100,434.38, 150,340.51 and 58,962.38 is: 88,260.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,434.38 : 150,340.51 = 58,962.38 : x
  2. Step 2: Convert to fraction form
    100,434.38/150,340.51 = 58,962.38/x
  3. Step 3: Cross multiply
    100,434.38x = 150,340.51 × 58,962.38
  4. Step 4: Simplify right side
    100,434.38x = 8,864,434,280.01
  5. Step 5: Solve for x
    x = 8,864,434,280.01/100,434.38
  6. Step 6: Final answer
    x = 88,260.95

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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.