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Finding the Fourth Proportional to 248,272.47, 372,116.97 and 114,870.96

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Solution

The fourth proportional to 248,272.47, 372,116.97 and 114,870.96 is: 172,171.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,272.47 : 372,116.97 = 114,870.96 : x
  2. Step 2: Convert to fraction form
    248,272.47/372,116.97 = 114,870.96/x
  3. Step 3: Cross multiply
    248,272.47x = 372,116.97 × 114,870.96
  4. Step 4: Simplify right side
    248,272.47x = 42,745,433,576.19
  5. Step 5: Solve for x
    x = 42,745,433,576.19/248,272.47
  6. Step 6: Final answer
    x = 172,171.46

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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.