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Finding the Fourth Proportional to 201,073.80, 301,486.86 and 67,941.48

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Solution

The fourth proportional to 201,073.80, 301,486.86 and 67,941.48 is: 101,870.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,073.80 : 301,486.86 = 67,941.48 : x
  2. Step 2: Convert to fraction form
    201,073.80/301,486.86 = 67,941.48/x
  3. Step 3: Cross multiply
    201,073.80x = 301,486.86 × 67,941.48
  4. Step 4: Simplify right side
    201,073.80x = 20,483,463,468.95
  5. Step 5: Solve for x
    x = 20,483,463,468.95/201,073.80
  6. Step 6: Final answer
    x = 101,870.38

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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.