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Finding the Fourth Proportional to 60,481,669.60, 90,722,504.40 and 22,144,434.40

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Solution

The fourth proportional to 60,481,669.60, 90,722,504.40 and 22,144,434.40 is: 33,216,651.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,481,669.60 : 90,722,504.40 = 22,144,434.40 : x
  2. Step 2: Convert to fraction form
    60,481,669.60/90,722,504.40 = 22,144,434.40/x
  3. Step 3: Cross multiply
    60,481,669.60x = 90,722,504.40 × 22,144,434.40
  4. Step 4: Simplify right side
    60,481,669.60x = 2,008,998,547,289,511.25
  5. Step 5: Solve for x
    x = 2,008,998,547,289,511.25/60,481,669.60
  6. Step 6: Final answer
    x = 33,216,651.60

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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.