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Finding the Fourth Proportional to 68,385.02, 102,590.80 and 26,262

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Solution

The fourth proportional to 68,385.02, 102,590.80 and 26,262 is: 39,398.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,385.02 : 102,590.80 = 26,262 : x
  2. Step 2: Convert to fraction form
    68,385.02/102,590.80 = 26,262/x
  3. Step 3: Cross multiply
    68,385.02x = 102,590.80 × 26,262
  4. Step 4: Simplify right side
    68,385.02x = 2,694,239,523.95
  5. Step 5: Solve for x
    x = 2,694,239,523.95/68,385.02
  6. Step 6: Final answer
    x = 39,398.10

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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.