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Finding the Fourth Proportional to 12,474,110.70, 18,711,166.05 and 12,474,110.70

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Solution

The fourth proportional to 12,474,110.70, 18,711,166.05 and 12,474,110.70 is: 18,711,166.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474,110.70 : 18,711,166.05 = 12,474,110.70 : x
  2. Step 2: Convert to fraction form
    12,474,110.70/18,711,166.05 = 12,474,110.70/x
  3. Step 3: Cross multiply
    12,474,110.70x = 18,711,166.05 × 12,474,110.70
  4. Step 4: Simplify right side
    12,474,110.70x = 233,405,156,633,781.72
  5. Step 5: Solve for x
    x = 233,405,156,633,781.72/12,474,110.70
  6. Step 6: Final answer
    x = 18,711,166.05

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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.