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Finding the Fourth Proportional to 91,283.94, 136,922.94 and 41,364.18

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Solution

The fourth proportional to 91,283.94, 136,922.94 and 41,364.18 is: 62,044.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,283.94 : 136,922.94 = 41,364.18 : x
  2. Step 2: Convert to fraction form
    91,283.94/136,922.94 = 41,364.18/x
  3. Step 3: Cross multiply
    91,283.94x = 136,922.94 × 41,364.18
  4. Step 4: Simplify right side
    91,283.94x = 5,663,705,136.29
  5. Step 5: Solve for x
    x = 5,663,705,136.29/91,283.94
  6. Step 6: Final answer
    x = 62,044.92

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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.