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Finding the Fourth Proportional to 185,573.76, 278,112.48 and 96,640.56

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Solution

The fourth proportional to 185,573.76, 278,112.48 and 96,640.56 is: 144,831.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,573.76 : 278,112.48 = 96,640.56 : x
  2. Step 2: Convert to fraction form
    185,573.76/278,112.48 = 96,640.56/x
  3. Step 3: Cross multiply
    185,573.76x = 278,112.48 × 96,640.56
  4. Step 4: Simplify right side
    185,573.76x = 26,876,945,810.19
  5. Step 5: Solve for x
    x = 26,876,945,810.19/185,573.76
  6. Step 6: Final answer
    x = 144,831.61

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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.