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Finding the Fourth Proportional to 73,812,007.15, 110,718,010.73 and 73,812,007.15

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Solution

The fourth proportional to 73,812,007.15, 110,718,010.73 and 73,812,007.15 is: 110,718,010.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,812,007.15 : 110,718,010.73 = 73,812,007.15 : x
  2. Step 2: Convert to fraction form
    73,812,007.15/110,718,010.73 = 73,812,007.15/x
  3. Step 3: Cross multiply
    73,812,007.15x = 110,718,010.73 × 73,812,007.15
  4. Step 4: Simplify right side
    73,812,007.15x = 8,172,318,599,267,477
  5. Step 5: Solve for x
    x = 8,172,318,599,267,477/73,812,007.15
  6. Step 6: Final answer
    x = 110,718,010.73

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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.