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Finding the Fourth Proportional to 91,547.82, 137,334.49 and 41,640.48

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Solution

The fourth proportional to 91,547.82, 137,334.49 and 41,640.48 is: 62,466.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,547.82 : 137,334.49 = 41,640.48 : x
  2. Step 2: Convert to fraction form
    91,547.82/137,334.49 = 41,640.48/x
  3. Step 3: Cross multiply
    91,547.82x = 137,334.49 × 41,640.48
  4. Step 4: Simplify right side
    91,547.82x = 5,718,673,980.05
  5. Step 5: Solve for x
    x = 5,718,673,980.05/91,547.82
  6. Step 6: Final answer
    x = 62,466.52

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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.