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Finding the Fourth Proportional to 201,954.21, 302,785.50 and 61,636.29

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Solution

The fourth proportional to 201,954.21, 302,785.50 and 61,636.29 is: 92,409.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,954.21 : 302,785.50 = 61,636.29 : x
  2. Step 2: Convert to fraction form
    201,954.21/302,785.50 = 61,636.29/x
  3. Step 3: Cross multiply
    201,954.21x = 302,785.50 × 61,636.29
  4. Step 4: Simplify right side
    201,954.21x = 18,662,574,885.80
  5. Step 5: Solve for x
    x = 18,662,574,885.80/201,954.21
  6. Step 6: Final answer
    x = 92,409.93

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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.