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Finding the Fourth Proportional to 70,003,797.60, 105,005,005.20 and 22,134,741.60

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Solution

The fourth proportional to 70,003,797.60, 105,005,005.20 and 22,134,741.60 is: 33,201,893.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,003,797.60 : 105,005,005.20 = 22,134,741.60 : x
  2. Step 2: Convert to fraction form
    70,003,797.60/105,005,005.20 = 22,134,741.60/x
  3. Step 3: Cross multiply
    70,003,797.60x = 105,005,005.20 × 22,134,741.60
  4. Step 4: Simplify right side
    70,003,797.60x = 2,324,258,656,808,656.50
  5. Step 5: Solve for x
    x = 2,324,258,656,808,656.50/70,003,797.60
  6. Step 6: Final answer
    x = 33,201,893.85

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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.