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Finding the Fourth Proportional to 248,663.92, 373,168.14 and 98,888.86

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Solution

The fourth proportional to 248,663.92, 373,168.14 and 98,888.86 is: 148,401.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,663.92 : 373,168.14 = 98,888.86 : x
  2. Step 2: Convert to fraction form
    248,663.92/373,168.14 = 98,888.86/x
  3. Step 3: Cross multiply
    248,663.92x = 373,168.14 × 98,888.86
  4. Step 4: Simplify right side
    248,663.92x = 36,902,171,952.92
  5. Step 5: Solve for x
    x = 36,902,171,952.92/248,663.92
  6. Step 6: Final answer
    x = 148,401.79

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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.