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Finding the Fourth Proportional to 107,083.54, 160,611.69 and 28,203.94

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Solution

The fourth proportional to 107,083.54, 160,611.69 and 28,203.94 is: 42,302.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,083.54 : 160,611.69 = 28,203.94 : x
  2. Step 2: Convert to fraction form
    107,083.54/160,611.69 = 28,203.94/x
  3. Step 3: Cross multiply
    107,083.54x = 160,611.69 × 28,203.94
  4. Step 4: Simplify right side
    107,083.54x = 4,529,882,468.06
  5. Step 5: Solve for x
    x = 4,529,882,468.06/107,083.54
  6. Step 6: Final answer
    x = 42,302.32

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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.