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Finding the Fourth Proportional to 155,297.28, 232,945.28 and 44,489.28

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Solution

The fourth proportional to 155,297.28, 232,945.28 and 44,489.28 is: 66,733.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,297.28 : 232,945.28 = 44,489.28 : x
  2. Step 2: Convert to fraction form
    155,297.28/232,945.28 = 44,489.28/x
  3. Step 3: Cross multiply
    155,297.28x = 232,945.28 × 44,489.28
  4. Step 4: Simplify right side
    155,297.28x = 10,363,567,786.60
  5. Step 5: Solve for x
    x = 10,363,567,786.60/155,297.28
  6. Step 6: Final answer
    x = 66,733.74

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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.