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Finding the Fourth Proportional to 35,220,067.90, 49,207,318.10 and 35,220,067.90

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Solution

The fourth proportional to 35,220,067.90, 49,207,318.10 and 35,220,067.90 is: 49,207,318.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,220,067.90 : 49,207,318.10 = 35,220,067.90 : x
  2. Step 2: Convert to fraction form
    35,220,067.90/49,207,318.10 = 35,220,067.90/x
  3. Step 3: Cross multiply
    35,220,067.90x = 49,207,318.10 × 35,220,067.90
  4. Step 4: Simplify right side
    35,220,067.90x = 1,733,085,084,658,899
  5. Step 5: Solve for x
    x = 1,733,085,084,658,899/35,220,067.90
  6. Step 6: Final answer
    x = 49,207,318.10

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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.