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Finding the Fourth Proportional to 55,879,843.60, 83,651,803.80 and 33,149,040.40

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Solution

The fourth proportional to 55,879,843.60, 83,651,803.80 and 33,149,040.40 is: 49,623,922.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,879,843.60 : 83,651,803.80 = 33,149,040.40 : x
  2. Step 2: Convert to fraction form
    55,879,843.60/83,651,803.80 = 33,149,040.40/x
  3. Step 3: Cross multiply
    55,879,843.60x = 83,651,803.80 × 33,149,040.40
  4. Step 4: Simplify right side
    55,879,843.60x = 2,772,977,023,699,073.50
  5. Step 5: Solve for x
    x = 2,772,977,023,699,073.50/55,879,843.60
  6. Step 6: Final answer
    x = 49,623,922.42

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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.