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Finding the Fourth Proportional to 248,115.96, 372,118.05 and 70,619.04

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Solution

The fourth proportional to 248,115.96, 372,118.05 and 70,619.04 is: 105,912.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,115.96 : 372,118.05 = 70,619.04 : x
  2. Step 2: Convert to fraction form
    248,115.96/372,118.05 = 70,619.04/x
  3. Step 3: Cross multiply
    248,115.96x = 372,118.05 × 70,619.04
  4. Step 4: Simplify right side
    248,115.96x = 26,278,619,457.67
  5. Step 5: Solve for x
    x = 26,278,619,457.67/248,115.96
  6. Step 6: Final answer
    x = 105,912.65

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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.