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Finding the Fourth Proportional to 70,003,796.60, 105,005,003.70 and 22,134,740.60

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Solution

The fourth proportional to 70,003,796.60, 105,005,003.70 and 22,134,740.60 is: 33,201,892.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,003,796.60 : 105,005,003.70 = 22,134,740.60 : x
  2. Step 2: Convert to fraction form
    70,003,796.60/105,005,003.70 = 22,134,740.60/x
  3. Step 3: Cross multiply
    70,003,796.60x = 105,005,003.70 × 22,134,740.60
  4. Step 4: Simplify right side
    70,003,796.60x = 2,324,258,518,601,540.50
  5. Step 5: Solve for x
    x = 2,324,258,518,601,540.50/70,003,796.60
  6. Step 6: Final answer
    x = 33,201,892.35

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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.