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Finding the Fourth Proportional to 70,248.92, 105,373.26 and 32,796.44

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Solution

The fourth proportional to 70,248.92, 105,373.26 and 32,796.44 is: 49,194.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,248.92 : 105,373.26 = 32,796.44 : x
  2. Step 2: Convert to fraction form
    70,248.92/105,373.26 = 32,796.44/x
  3. Step 3: Cross multiply
    70,248.92x = 105,373.26 × 32,796.44
  4. Step 4: Simplify right side
    70,248.92x = 3,455,867,799.19
  5. Step 5: Solve for x
    x = 3,455,867,799.19/70,248.92
  6. Step 6: Final answer
    x = 49,194.60

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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.