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Finding the Fourth Proportional to 248,516.88, 372,775.31 and 61,528.38

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Solution

The fourth proportional to 248,516.88, 372,775.31 and 61,528.38 is: 92,292.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,516.88 : 372,775.31 = 61,528.38 : x
  2. Step 2: Convert to fraction form
    248,516.88/372,775.31 = 61,528.38/x
  3. Step 3: Cross multiply
    248,516.88x = 372,775.31 × 61,528.38
  4. Step 4: Simplify right side
    248,516.88x = 22,936,260,928.30
  5. Step 5: Solve for x
    x = 22,936,260,928.30/248,516.88
  6. Step 6: Final answer
    x = 92,292.57

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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.