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Finding the Fourth Proportional to 147,552.86, 203,845.02 and 96,686.48

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Solution

The fourth proportional to 147,552.86, 203,845.02 and 96,686.48 is: 133,572.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,552.86 : 203,845.02 = 96,686.48 : x
  2. Step 2: Convert to fraction form
    147,552.86/203,845.02 = 96,686.48/x
  3. Step 3: Cross multiply
    147,552.86x = 203,845.02 × 96,686.48
  4. Step 4: Simplify right side
    147,552.86x = 19,709,057,449.33
  5. Step 5: Solve for x
    x = 19,709,057,449.33/147,552.86
  6. Step 6: Final answer
    x = 133,572.86

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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.