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Finding the Fourth Proportional to 110,649,879.60, 155,136,579.60 and 110,649,879.60

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Solution

The fourth proportional to 110,649,879.60, 155,136,579.60 and 110,649,879.60 is: 155,136,579.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,649,879.60 : 155,136,579.60 = 110,649,879.60 : x
  2. Step 2: Convert to fraction form
    110,649,879.60/155,136,579.60 = 110,649,879.60/x
  3. Step 3: Cross multiply
    110,649,879.60x = 155,136,579.60 × 110,649,879.60
  4. Step 4: Simplify right side
    110,649,879.60x = 17,165,843,854,295,814
  5. Step 5: Solve for x
    x = 17,165,843,854,295,814/110,649,879.60
  6. Step 6: Final answer
    x = 155,136,579.60

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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.