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Finding the Fourth Proportional to 278,232.04, 417,352.46 and 67,873.96

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Solution

The fourth proportional to 278,232.04, 417,352.46 and 67,873.96 is: 101,812.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,232.04 : 417,352.46 = 67,873.96 : x
  2. Step 2: Convert to fraction form
    278,232.04/417,352.46 = 67,873.96/x
  3. Step 3: Cross multiply
    278,232.04x = 417,352.46 × 67,873.96
  4. Step 4: Simplify right side
    278,232.04x = 28,327,364,175.94
  5. Step 5: Solve for x
    x = 28,327,364,175.94/278,232.04
  6. Step 6: Final answer
    x = 101,812.01

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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.