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Finding the Fourth Proportional to 70,953,753.60, 106,430,630.40 and 23,084,697.60

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Solution

The fourth proportional to 70,953,753.60, 106,430,630.40 and 23,084,697.60 is: 34,627,046.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,953,753.60 : 106,430,630.40 = 23,084,697.60 : x
  2. Step 2: Convert to fraction form
    70,953,753.60/106,430,630.40 = 23,084,697.60/x
  3. Step 3: Cross multiply
    70,953,753.60x = 106,430,630.40 × 23,084,697.60
  4. Step 4: Simplify right side
    70,953,753.60x = 2,456,918,918,161,367.50
  5. Step 5: Solve for x
    x = 2,456,918,918,161,367.50/70,953,753.60
  6. Step 6: Final answer
    x = 34,627,046.40

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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.