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Finding the Fourth Proportional to 73,287,776.80, 109,903,671.60 and 22,152,800.80

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Solution

The fourth proportional to 73,287,776.80, 109,903,671.60 and 22,152,800.80 is: 33,220,739.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,287,776.80 : 109,903,671.60 = 22,152,800.80 : x
  2. Step 2: Convert to fraction form
    73,287,776.80/109,903,671.60 = 22,152,800.80/x
  3. Step 3: Cross multiply
    73,287,776.80x = 109,903,671.60 × 22,152,800.80
  4. Step 4: Simplify right side
    73,287,776.80x = 2,434,674,144,143,417
  5. Step 5: Solve for x
    x = 2,434,674,144,143,417/73,287,776.80
  6. Step 6: Final answer
    x = 33,220,739.53

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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.