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Finding the Fourth Proportional to 248,753.28, 373,188.24 and 99,002.64

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Solution

The fourth proportional to 248,753.28, 373,188.24 and 99,002.64 is: 148,527.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,753.28 : 373,188.24 = 99,002.64 : x
  2. Step 2: Convert to fraction form
    248,753.28/373,188.24 = 99,002.64/x
  3. Step 3: Cross multiply
    248,753.28x = 373,188.24 × 99,002.64
  4. Step 4: Simplify right side
    248,753.28x = 36,946,620,976.95
  5. Step 5: Solve for x
    x = 36,946,620,976.95/248,753.28
  6. Step 6: Final answer
    x = 148,527.17

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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.