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Finding the Fourth Proportional to 248,343.70, 372,379.47 and 98,432.14

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Solution

The fourth proportional to 248,343.70, 372,379.47 and 98,432.14 is: 147,594.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,343.70 : 372,379.47 = 98,432.14 : x
  2. Step 2: Convert to fraction form
    248,343.70/372,379.47 = 98,432.14/x
  3. Step 3: Cross multiply
    248,343.70x = 372,379.47 × 98,432.14
  4. Step 4: Simplify right side
    248,343.70x = 36,654,108,124.17
  5. Step 5: Solve for x
    x = 36,654,108,124.17/248,343.70
  6. Step 6: Final answer
    x = 147,594.27

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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.