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Finding the Fourth Proportional to 7,166,616.45, 10,061,606.55 and 7,166,616.45

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Solution

The fourth proportional to 7,166,616.45, 10,061,606.55 and 7,166,616.45 is: 10,061,606.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,166,616.45 : 10,061,606.55 = 7,166,616.45 : x
  2. Step 2: Convert to fraction form
    7,166,616.45/10,061,606.55 = 7,166,616.45/x
  3. Step 3: Cross multiply
    7,166,616.45x = 10,061,606.55 × 7,166,616.45
  4. Step 4: Simplify right side
    7,166,616.45x = 72,107,675,014,657.75
  5. Step 5: Solve for x
    x = 72,107,675,014,657.75/7,166,616.45
  6. Step 6: Final answer
    x = 10,061,606.55

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.