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Finding the Fourth Proportional to 84,025.68, 126,025.56 and 37,270.32

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Solution

The fourth proportional to 84,025.68, 126,025.56 and 37,270.32 is: 55,899.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,025.68 : 126,025.56 = 37,270.32 : x
  2. Step 2: Convert to fraction form
    84,025.68/126,025.56 = 37,270.32/x
  3. Step 3: Cross multiply
    84,025.68x = 126,025.56 × 37,270.32
  4. Step 4: Simplify right side
    84,025.68x = 4,697,012,949.38
  5. Step 5: Solve for x
    x = 4,697,012,949.38/84,025.68
  6. Step 6: Final answer
    x = 55,899.73

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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.