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Finding the Fourth Proportional to 92,706.48, 138,977.24 and 33,528.98

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Solution

The fourth proportional to 92,706.48, 138,977.24 and 33,528.98 is: 50,263.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,706.48 : 138,977.24 = 33,528.98 : x
  2. Step 2: Convert to fraction form
    92,706.48/138,977.24 = 33,528.98/x
  3. Step 3: Cross multiply
    92,706.48x = 138,977.24 × 33,528.98
  4. Step 4: Simplify right side
    92,706.48x = 4,659,765,280.21
  5. Step 5: Solve for x
    x = 4,659,765,280.21/92,706.48
  6. Step 6: Final answer
    x = 50,263.64

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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.