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Finding the Fourth Proportional to 248,363.86, 372,608.67 and 70,871.50

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Solution

The fourth proportional to 248,363.86, 372,608.67 and 70,871.50 is: 106,325.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,363.86 : 372,608.67 = 70,871.50 : x
  2. Step 2: Convert to fraction form
    248,363.86/372,608.67 = 70,871.50/x
  3. Step 3: Cross multiply
    248,363.86x = 372,608.67 × 70,871.50
  4. Step 4: Simplify right side
    248,363.86x = 26,407,335,355.91
  5. Step 5: Solve for x
    x = 26,407,335,355.91/248,363.86
  6. Step 6: Final answer
    x = 106,325.19

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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.