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Finding the Fourth Proportional to 248,600.46, 372,651 and 79,996.87

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Solution

The fourth proportional to 248,600.46, 372,651 and 79,996.87 is: 119,914.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,600.46 : 372,651 = 79,996.87 : x
  2. Step 2: Convert to fraction form
    248,600.46/372,651 = 79,996.87/x
  3. Step 3: Cross multiply
    248,600.46x = 372,651 × 79,996.87
  4. Step 4: Simplify right side
    248,600.46x = 29,810,913,602.37
  5. Step 5: Solve for x
    x = 29,810,913,602.37/248,600.46
  6. Step 6: Final answer
    x = 119,914.96

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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.