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Finding the Fourth Proportional to 68,274,345.10, 102,411,517.65 and 68,274,345.10

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Solution

The fourth proportional to 68,274,345.10, 102,411,517.65 and 68,274,345.10 is: 102,411,517.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,274,345.10 : 102,411,517.65 = 68,274,345.10 : x
  2. Step 2: Convert to fraction form
    68,274,345.10/102,411,517.65 = 68,274,345.10/x
  3. Step 3: Cross multiply
    68,274,345.10x = 102,411,517.65 × 68,274,345.10
  4. Step 4: Simplify right side
    68,274,345.10x = 6,992,079,298,250,841
  5. Step 5: Solve for x
    x = 6,992,079,298,250,841/68,274,345.10
  6. Step 6: Final answer
    x = 102,411,517.65

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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.