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Finding the Fourth Proportional to 150,425.16, 207,531.72 and 89,997.48

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Solution

The fourth proportional to 150,425.16, 207,531.72 and 89,997.48 is: 124,163.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,425.16 : 207,531.72 = 89,997.48 : x
  2. Step 2: Convert to fraction form
    150,425.16/207,531.72 = 89,997.48/x
  3. Step 3: Cross multiply
    150,425.16x = 207,531.72 × 89,997.48
  4. Step 4: Simplify right side
    150,425.16x = 18,677,331,820.07
  5. Step 5: Solve for x
    x = 18,677,331,820.07/150,425.16
  6. Step 6: Final answer
    x = 124,163.62

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1.5x scale

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.