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Finding the Fourth Proportional to 96,449.70, 133,092 and 53,999.22

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Solution

The fourth proportional to 96,449.70, 133,092 and 53,999.22 is: 74,514.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,449.70 : 133,092 = 53,999.22 : x
  2. Step 2: Convert to fraction form
    96,449.70/133,092 = 53,999.22/x
  3. Step 3: Cross multiply
    96,449.70x = 133,092 × 53,999.22
  4. Step 4: Simplify right side
    96,449.70x = 7,186,864,188.24
  5. Step 5: Solve for x
    x = 7,186,864,188.24/96,449.70
  6. Step 6: Final answer
    x = 74,514.12

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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.