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Finding the Fourth Proportional to 65,183,885.80, 97,775,828.70 and 22,054,496.20

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Solution

The fourth proportional to 65,183,885.80, 97,775,828.70 and 22,054,496.20 is: 33,081,744.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,183,885.80 : 97,775,828.70 = 22,054,496.20 : x
  2. Step 2: Convert to fraction form
    65,183,885.80/97,775,828.70 = 22,054,496.20/x
  3. Step 3: Cross multiply
    65,183,885.80x = 97,775,828.70 × 22,054,496.20
  4. Step 4: Simplify right side
    65,183,885.80x = 2,156,396,642,516,001
  5. Step 5: Solve for x
    x = 2,156,396,642,516,001/65,183,885.80
  6. Step 6: Final answer
    x = 33,081,744.30

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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.