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Finding the Fourth Proportional to 60,694,538.70, 91,041,808.05 and 59,686,769.10

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Solution

The fourth proportional to 60,694,538.70, 91,041,808.05 and 59,686,769.10 is: 89,530,153.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,694,538.70 : 91,041,808.05 = 59,686,769.10 : x
  2. Step 2: Convert to fraction form
    60,694,538.70/91,041,808.05 = 59,686,769.10/x
  3. Step 3: Cross multiply
    60,694,538.70x = 91,041,808.05 × 59,686,769.10
  4. Step 4: Simplify right side
    60,694,538.70x = 5,433,991,375,526,871
  5. Step 5: Solve for x
    x = 5,433,991,375,526,871/60,694,538.70
  6. Step 6: Final answer
    x = 89,530,153.65

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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.