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Finding the Fourth Proportional to 151,461.31, 227,191.93 and 40,653.31

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Solution

The fourth proportional to 151,461.31, 227,191.93 and 40,653.31 is: 60,979.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,461.31 : 227,191.93 = 40,653.31 : x
  2. Step 2: Convert to fraction form
    151,461.31/227,191.93 = 40,653.31/x
  3. Step 3: Cross multiply
    151,461.31x = 227,191.93 × 40,653.31
  4. Step 4: Simplify right side
    151,461.31x = 9,236,103,959.79
  5. Step 5: Solve for x
    x = 9,236,103,959.79/151,461.31
  6. Step 6: Final answer
    x = 60,979.96

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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.