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Finding the Fourth Proportional to 10,305,000.70, 14,408,105.30 and 10,305,000.70

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Solution

The fourth proportional to 10,305,000.70, 14,408,105.30 and 10,305,000.70 is: 14,408,105.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,305,000.70 : 14,408,105.30 = 10,305,000.70 : x
  2. Step 2: Convert to fraction form
    10,305,000.70/14,408,105.30 = 10,305,000.70/x
  3. Step 3: Cross multiply
    10,305,000.70x = 14,408,105.30 × 10,305,000.70
  4. Step 4: Simplify right side
    10,305,000.70x = 148,475,535,202,173.72
  5. Step 5: Solve for x
    x = 148,475,535,202,173.72/10,305,000.70
  6. Step 6: Final answer
    x = 14,408,105.30

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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.