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Finding the Fourth Proportional to 201,701.90, 302,520.45 and 61,427.90

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Solution

The fourth proportional to 201,701.90, 302,520.45 and 61,427.90 is: 92,131.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,701.90 : 302,520.45 = 61,427.90 : x
  2. Step 2: Convert to fraction form
    201,701.90/302,520.45 = 61,427.90/x
  3. Step 3: Cross multiply
    201,701.90x = 302,520.45 × 61,427.90
  4. Step 4: Simplify right side
    201,701.90x = 18,583,195,950.56
  5. Step 5: Solve for x
    x = 18,583,195,950.56/201,701.90
  6. Step 6: Final answer
    x = 92,131.98

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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.