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Finding the Fourth Proportional to 74,655,282.65, 111,942,401.43 and 33,666,763.69

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Solution

The fourth proportional to 74,655,282.65, 111,942,401.43 and 33,666,763.69 is: 50,481,871.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,655,282.65 : 111,942,401.43 = 33,666,763.69 : x
  2. Step 2: Convert to fraction form
    74,655,282.65/111,942,401.43 = 33,666,763.69/x
  3. Step 3: Cross multiply
    74,655,282.65x = 111,942,401.43 × 33,666,763.69
  4. Step 4: Simplify right side
    74,655,282.65x = 3,768,738,375,275,216.50
  5. Step 5: Solve for x
    x = 3,768,738,375,275,216.50/74,655,282.65
  6. Step 6: Final answer
    x = 50,481,871.36

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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.