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Finding the Fourth Proportional to 73,942,068.30, 110,753,670.15 and 73,942,068.30

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Solution

The fourth proportional to 73,942,068.30, 110,753,670.15 and 73,942,068.30 is: 110,753,670.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,942,068.30 : 110,753,670.15 = 73,942,068.30 : x
  2. Step 2: Convert to fraction form
    73,942,068.30/110,753,670.15 = 73,942,068.30/x
  3. Step 3: Cross multiply
    73,942,068.30x = 110,753,670.15 × 73,942,068.30
  4. Step 4: Simplify right side
    73,942,068.30x = 8,189,355,442,706,971
  5. Step 5: Solve for x
    x = 8,189,355,442,706,971/73,942,068.30
  6. Step 6: Final answer
    x = 110,753,670.15

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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.