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Finding the Fourth Proportional to 48,899,209.80, 73,348,814.70 and 43,797,376.20

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Solution

The fourth proportional to 48,899,209.80, 73,348,814.70 and 43,797,376.20 is: 65,696,064.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,899,209.80 : 73,348,814.70 = 43,797,376.20 : x
  2. Step 2: Convert to fraction form
    48,899,209.80/73,348,814.70 = 43,797,376.20/x
  3. Step 3: Cross multiply
    48,899,209.80x = 73,348,814.70 × 43,797,376.20
  4. Step 4: Simplify right side
    48,899,209.80x = 3,212,485,631,239,990.50
  5. Step 5: Solve for x
    x = 3,212,485,631,239,990.50/48,899,209.80
  6. Step 6: Final answer
    x = 65,696,064.30

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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.