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Finding the Fourth Proportional to 55,997,815.20, 83,996,722.80 and 44,660,407.20

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Solution

The fourth proportional to 55,997,815.20, 83,996,722.80 and 44,660,407.20 is: 66,990,610.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,997,815.20 : 83,996,722.80 = 44,660,407.20 : x
  2. Step 2: Convert to fraction form
    55,997,815.20/83,996,722.80 = 44,660,407.20/x
  3. Step 3: Cross multiply
    55,997,815.20x = 83,996,722.80 × 44,660,407.20
  4. Step 4: Simplify right side
    55,997,815.20x = 3,751,327,843,713,524.50
  5. Step 5: Solve for x
    x = 3,751,327,843,713,524.50/55,997,815.20
  6. Step 6: Final answer
    x = 66,990,610.80

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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.