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Finding the Fourth Proportional to 100,628.63, 150,961.17 and 41,432.01

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Solution

The fourth proportional to 100,628.63, 150,961.17 and 41,432.01 is: 62,155.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,628.63 : 150,961.17 = 41,432.01 : x
  2. Step 2: Convert to fraction form
    100,628.63/150,961.17 = 41,432.01/x
  3. Step 3: Cross multiply
    100,628.63x = 150,961.17 × 41,432.01
  4. Step 4: Simplify right side
    100,628.63x = 6,254,624,294.32
  5. Step 5: Solve for x
    x = 6,254,624,294.32/100,628.63
  6. Step 6: Final answer
    x = 62,155.52

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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.