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Finding the Fourth Proportional to 220,580,891.20, 330,871,336.80 and 59,022,827.20

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Solution

The fourth proportional to 220,580,891.20, 330,871,336.80 and 59,022,827.20 is: 88,534,240.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,580,891.20 : 330,871,336.80 = 59,022,827.20 : x
  2. Step 2: Convert to fraction form
    220,580,891.20/330,871,336.80 = 59,022,827.20/x
  3. Step 3: Cross multiply
    220,580,891.20x = 330,871,336.80 × 59,022,827.20
  4. Step 4: Simplify right side
    220,580,891.20x = 19,528,961,737,379,404
  5. Step 5: Solve for x
    x = 19,528,961,737,379,404/220,580,891.20
  6. Step 6: Final answer
    x = 88,534,240.80

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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.