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Finding the Fourth Proportional to 73,287,797.80, 109,903,703.10 and 22,152,821.80

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Solution

The fourth proportional to 73,287,797.80, 109,903,703.10 and 22,152,821.80 is: 33,220,771.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,287,797.80 : 109,903,703.10 = 22,152,821.80 : x
  2. Step 2: Convert to fraction form
    73,287,797.80/109,903,703.10 = 22,152,821.80/x
  3. Step 3: Cross multiply
    73,287,797.80x = 109,903,703.10 × 22,152,821.80
  4. Step 4: Simplify right side
    73,287,797.80x = 2,434,677,149,934,407.50
  5. Step 5: Solve for x
    x = 2,434,677,149,934,407.50/73,287,797.80
  6. Step 6: Final answer
    x = 33,220,771.03

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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.