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Finding the Fourth Proportional to 192,068.21, 288,145.35 and 58,961.93

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Solution

The fourth proportional to 192,068.21, 288,145.35 and 58,961.93 is: 88,456.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,068.21 : 288,145.35 = 58,961.93 : x
  2. Step 2: Convert to fraction form
    192,068.21/288,145.35 = 58,961.93/x
  3. Step 3: Cross multiply
    192,068.21x = 288,145.35 × 58,961.93
  4. Step 4: Simplify right side
    192,068.21x = 16,989,604,515.80
  5. Step 5: Solve for x
    x = 16,989,604,515.80/192,068.21
  6. Step 6: Final answer
    x = 88,456.10

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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.