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Finding the Fourth Proportional to 91,293.57, 136,938.53 and 41,364.36

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Solution

The fourth proportional to 91,293.57, 136,938.53 and 41,364.36 is: 62,045.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,293.57 : 136,938.53 = 41,364.36 : x
  2. Step 2: Convert to fraction form
    91,293.57/136,938.53 = 41,364.36/x
  3. Step 3: Cross multiply
    91,293.57x = 136,938.53 × 41,364.36
  4. Step 4: Simplify right side
    91,293.57x = 5,664,374,445.97
  5. Step 5: Solve for x
    x = 5,664,374,445.97/91,293.57
  6. Step 6: Final answer
    x = 62,045.71

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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.