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Finding the Fourth Proportional to 150,508, 207,733.44 and 90,092.16

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Solution

The fourth proportional to 150,508, 207,733.44 and 90,092.16 is: 124,346.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,508 : 207,733.44 = 90,092.16 : x
  2. Step 2: Convert to fraction form
    150,508/207,733.44 = 90,092.16/x
  3. Step 3: Cross multiply
    150,508x = 207,733.44 × 90,092.16
  4. Step 4: Simplify right side
    150,508x = 18,715,154,313.83
  5. Step 5: Solve for x
    x = 18,715,154,313.83/150,508
  6. Step 6: Final answer
    x = 124,346.58

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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.