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Finding the Fourth Proportional to 110,649,906.10, 155,136,616.70 and 110,649,906.10

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Solution

The fourth proportional to 110,649,906.10, 155,136,616.70 and 110,649,906.10 is: 155,136,616.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,649,906.10 : 155,136,616.70 = 110,649,906.10 : x
  2. Step 2: Convert to fraction form
    110,649,906.10/155,136,616.70 = 110,649,906.10/x
  3. Step 3: Cross multiply
    110,649,906.10x = 155,136,616.70 × 110,649,906.10
  4. Step 4: Simplify right side
    110,649,906.10x = 17,165,852,070,526,690
  5. Step 5: Solve for x
    x = 17,165,852,070,526,690/110,649,906.10
  6. Step 6: Final answer
    x = 155,136,616.70

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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.