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Finding the Fourth Proportional to 151,653.48, 227,481.14 and 67,393.84

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Solution

The fourth proportional to 151,653.48, 227,481.14 and 67,393.84 is: 101,091.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,653.48 : 227,481.14 = 67,393.84 : x
  2. Step 2: Convert to fraction form
    151,653.48/227,481.14 = 67,393.84/x
  3. Step 3: Cross multiply
    151,653.48x = 227,481.14 × 67,393.84
  4. Step 4: Simplify right side
    151,653.48x = 15,330,827,552.18
  5. Step 5: Solve for x
    x = 15,330,827,552.18/151,653.48
  6. Step 6: Final answer
    x = 101,091.17

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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.