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Finding the Fourth Proportional to 18,440,109.45, 27,660,164.18 and 18,440,109.45

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Solution

The fourth proportional to 18,440,109.45, 27,660,164.18 and 18,440,109.45 is: 27,660,164.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440,109.45 : 27,660,164.18 = 18,440,109.45 : x
  2. Step 2: Convert to fraction form
    18,440,109.45/27,660,164.18 = 18,440,109.45/x
  3. Step 3: Cross multiply
    18,440,109.45x = 27,660,164.18 × 18,440,109.45
  4. Step 4: Simplify right side
    18,440,109.45x = 510,056,454,791,968.94
  5. Step 5: Solve for x
    x = 510,056,454,791,968.94/18,440,109.45
  6. Step 6: Final answer
    x = 27,660,164.18

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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.