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Finding the Fourth Proportional to 56,164,473.70, 78,800,324.30 and 56,164,473.70

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Solution

The fourth proportional to 56,164,473.70, 78,800,324.30 and 56,164,473.70 is: 78,800,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,164,473.70 : 78,800,324.30 = 56,164,473.70 : x
  2. Step 2: Convert to fraction form
    56,164,473.70/78,800,324.30 = 56,164,473.70/x
  3. Step 3: Cross multiply
    56,164,473.70x = 78,800,324.30 × 56,164,473.70
  4. Step 4: Simplify right side
    56,164,473.70x = 4,425,778,741,698,821
  5. Step 5: Solve for x
    x = 4,425,778,741,698,821/56,164,473.70
  6. Step 6: Final answer
    x = 78,800,324.30

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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.