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Finding the Fourth Proportional to 61,136.57, 84,369.33 and 36,934.17

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Solution

The fourth proportional to 61,136.57, 84,369.33 and 36,934.17 is: 50,969.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,136.57 : 84,369.33 = 36,934.17 : x
  2. Step 2: Convert to fraction form
    61,136.57/84,369.33 = 36,934.17/x
  3. Step 3: Cross multiply
    61,136.57x = 84,369.33 × 36,934.17
  4. Step 4: Simplify right side
    61,136.57x = 3,116,110,931.02
  5. Step 5: Solve for x
    x = 3,116,110,931.02/61,136.57
  6. Step 6: Final answer
    x = 50,969.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.