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Finding the Fourth Proportional to 69,202.34, 103,803.51 and 16,611.83

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Solution

The fourth proportional to 69,202.34, 103,803.51 and 16,611.83 is: 24,917.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,202.34 : 103,803.51 = 16,611.83 : x
  2. Step 2: Convert to fraction form
    69,202.34/103,803.51 = 16,611.83/x
  3. Step 3: Cross multiply
    69,202.34x = 103,803.51 × 16,611.83
  4. Step 4: Simplify right side
    69,202.34x = 1,724,365,742.51
  5. Step 5: Solve for x
    x = 1,724,365,742.51/69,202.34
  6. Step 6: Final answer
    x = 24,917.74

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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.