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Finding the Fourth Proportional to 79,992,938.44, 119,989,407.69 and 22,485,209.60

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Solution

The fourth proportional to 79,992,938.44, 119,989,407.69 and 22,485,209.60 is: 33,727,814.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,992,938.44 : 119,989,407.69 = 22,485,209.60 : x
  2. Step 2: Convert to fraction form
    79,992,938.44/119,989,407.69 = 22,485,209.60/x
  3. Step 3: Cross multiply
    79,992,938.44x = 119,989,407.69 × 22,485,209.60
  4. Step 4: Simplify right side
    79,992,938.44x = 2,697,986,981,989,475
  5. Step 5: Solve for x
    x = 2,697,986,981,989,475/79,992,938.44
  6. Step 6: Final answer
    x = 33,727,814.41

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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.