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Finding the Fourth Proportional to 29,899,663.30, 41,972,902.70 and 29,899,663.30

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Solution

The fourth proportional to 29,899,663.30, 41,972,902.70 and 29,899,663.30 is: 41,972,902.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,899,663.30 : 41,972,902.70 = 29,899,663.30 : x
  2. Step 2: Convert to fraction form
    29,899,663.30/41,972,902.70 = 29,899,663.30/x
  3. Step 3: Cross multiply
    29,899,663.30x = 41,972,902.70 × 29,899,663.30
  4. Step 4: Simplify right side
    29,899,663.30x = 1,254,975,658,453,661
  5. Step 5: Solve for x
    x = 1,254,975,658,453,661/29,899,663.30
  6. Step 6: Final answer
    x = 41,972,902.70

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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.