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Finding the Fourth Proportional to 69,967,510.40, 104,995,502.40 and 41,213,590.40

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Solution

The fourth proportional to 69,967,510.40, 104,995,502.40 and 41,213,590.40 is: 61,846,442.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,967,510.40 : 104,995,502.40 = 41,213,590.40 : x
  2. Step 2: Convert to fraction form
    69,967,510.40/104,995,502.40 = 41,213,590.40/x
  3. Step 3: Cross multiply
    69,967,510.40x = 104,995,502.40 × 41,213,590.40
  4. Step 4: Simplify right side
    69,967,510.40x = 4,327,241,629,755,817
  5. Step 5: Solve for x
    x = 4,327,241,629,755,817/69,967,510.40
  6. Step 6: Final answer
    x = 61,846,442.80

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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.