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Finding the Fourth Proportional to 59,704.76, 89,473.44 and 47,169.92

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Solution

The fourth proportional to 59,704.76, 89,473.44 and 47,169.92 is: 70,688.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,704.76 : 89,473.44 = 47,169.92 : x
  2. Step 2: Convert to fraction form
    59,704.76/89,473.44 = 47,169.92/x
  3. Step 3: Cross multiply
    59,704.76x = 89,473.44 × 47,169.92
  4. Step 4: Simplify right side
    59,704.76x = 4,220,455,006.92
  5. Step 5: Solve for x
    x = 4,220,455,006.92/59,704.76
  6. Step 6: Final answer
    x = 70,688.75

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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.