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Finding the Fourth Proportional to 82,354, 123,520.08 and 23,194.32

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Solution

The fourth proportional to 82,354, 123,520.08 and 23,194.32 is: 34,788.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,354 : 123,520.08 = 23,194.32 : x
  2. Step 2: Convert to fraction form
    82,354/123,520.08 = 23,194.32/x
  3. Step 3: Cross multiply
    82,354x = 123,520.08 × 23,194.32
  4. Step 4: Simplify right side
    82,354x = 2,864,964,261.95
  5. Step 5: Solve for x
    x = 2,864,964,261.95/82,354
  6. Step 6: Final answer
    x = 34,788.40

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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.