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Finding the Fourth Proportional to 63,296.82, 87,329.88 and 42,079.68

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Solution

The fourth proportional to 63,296.82, 87,329.88 and 42,079.68 is: 58,056.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,296.82 : 87,329.88 = 42,079.68 : x
  2. Step 2: Convert to fraction form
    63,296.82/87,329.88 = 42,079.68/x
  3. Step 3: Cross multiply
    63,296.82x = 87,329.88 × 42,079.68
  4. Step 4: Simplify right side
    63,296.82x = 3,674,813,404.84
  5. Step 5: Solve for x
    x = 3,674,813,404.84/63,296.82
  6. Step 6: Final answer
    x = 58,056.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.