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Finding the Fourth Proportional to 110,616,071.60, 165,924,107.40 and 28,728,230.60

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Solution

The fourth proportional to 110,616,071.60, 165,924,107.40 and 28,728,230.60 is: 43,092,345.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,616,071.60 : 165,924,107.40 = 28,728,230.60 : x
  2. Step 2: Convert to fraction form
    110,616,071.60/165,924,107.40 = 28,728,230.60/x
  3. Step 3: Cross multiply
    110,616,071.60x = 165,924,107.40 × 28,728,230.60
  4. Step 4: Simplify right side
    110,616,071.60x = 4,766,706,019,486,367
  5. Step 5: Solve for x
    x = 4,766,706,019,486,367/110,616,071.60
  6. Step 6: Final answer
    x = 43,092,345.90

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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.