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Finding the Fourth Proportional to 248,282.31, 372,424.40 and 61,293.81

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Solution

The fourth proportional to 248,282.31, 372,424.40 and 61,293.81 is: 91,940.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,282.31 : 372,424.40 = 61,293.81 : x
  2. Step 2: Convert to fraction form
    248,282.31/372,424.40 = 61,293.81/x
  3. Step 3: Cross multiply
    248,282.31x = 372,424.40 × 61,293.81
  4. Step 4: Simplify right side
    248,282.31x = 22,827,311,732.94
  5. Step 5: Solve for x
    x = 22,827,311,732.94/248,282.31
  6. Step 6: Final answer
    x = 91,940.95

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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.