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Finding the Fourth Proportional to 248,389.98, 372,737.61 and 98,604.06

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Solution

The fourth proportional to 248,389.98, 372,737.61 and 98,604.06 is: 147,966.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,389.98 : 372,737.61 = 98,604.06 : x
  2. Step 2: Convert to fraction form
    248,389.98/372,737.61 = 98,604.06/x
  3. Step 3: Cross multiply
    248,389.98x = 372,737.61 × 98,604.06
  4. Step 4: Simplify right side
    248,389.98x = 36,753,441,660.70
  5. Step 5: Solve for x
    x = 36,753,441,660.70/248,389.98
  6. Step 6: Final answer
    x = 147,966.68

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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.