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Finding the Fourth Proportional to 225,028.34, 337,708.61 and 106,700.12

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Solution

The fourth proportional to 225,028.34, 337,708.61 and 106,700.12 is: 160,128.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,028.34 : 337,708.61 = 106,700.12 : x
  2. Step 2: Convert to fraction form
    225,028.34/337,708.61 = 106,700.12/x
  3. Step 3: Cross multiply
    225,028.34x = 337,708.61 × 106,700.12
  4. Step 4: Simplify right side
    225,028.34x = 36,033,546,989.99
  5. Step 5: Solve for x
    x = 36,033,546,989.99/225,028.34
  6. Step 6: Final answer
    x = 160,128.93

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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.