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Finding the Fourth Proportional to 201,020.77, 301,574.90 and 60,775.75

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Solution

The fourth proportional to 201,020.77, 301,574.90 and 60,775.75 is: 91,176.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,020.77 : 301,574.90 = 60,775.75 : x
  2. Step 2: Convert to fraction form
    201,020.77/301,574.90 = 60,775.75/x
  3. Step 3: Cross multiply
    201,020.77x = 301,574.90 × 60,775.75
  4. Step 4: Simplify right side
    201,020.77x = 18,328,440,728.68
  5. Step 5: Solve for x
    x = 18,328,440,728.68/201,020.77
  6. Step 6: Final answer
    x = 91,176.85

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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.