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Finding the Fourth Proportional to 150,412.10, 207,513.78 and 89,984.48

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Solution

The fourth proportional to 150,412.10, 207,513.78 and 89,984.48 is: 124,145.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,412.10 : 207,513.78 = 89,984.48 : x
  2. Step 2: Convert to fraction form
    150,412.10/207,513.78 = 89,984.48/x
  3. Step 3: Cross multiply
    150,412.10x = 207,513.78 × 89,984.48
  4. Step 4: Simplify right side
    150,412.10x = 18,673,019,586.13
  5. Step 5: Solve for x
    x = 18,673,019,586.13/150,412.10
  6. Step 6: Final answer
    x = 124,145.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.