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Finding the Fourth Proportional to 201,578.87, 302,361.59 and 59,426.49

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Solution

The fourth proportional to 201,578.87, 302,361.59 and 59,426.49 is: 89,137.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,578.87 : 302,361.59 = 59,426.49 : x
  2. Step 2: Convert to fraction form
    201,578.87/302,361.59 = 59,426.49/x
  3. Step 3: Cross multiply
    201,578.87x = 302,361.59 × 59,426.49
  4. Step 4: Simplify right side
    201,578.87x = 17,968,287,707.39
  5. Step 5: Solve for x
    x = 17,968,287,707.39/201,578.87
  6. Step 6: Final answer
    x = 89,137.76

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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.