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Finding the Fourth Proportional to 71,369.33, 98,495.69 and 39,541.19

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Solution

The fourth proportional to 71,369.33, 98,495.69 and 39,541.19 is: 54,570.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,369.33 : 98,495.69 = 39,541.19 : x
  2. Step 2: Convert to fraction form
    71,369.33/98,495.69 = 39,541.19/x
  3. Step 3: Cross multiply
    71,369.33x = 98,495.69 × 39,541.19
  4. Step 4: Simplify right side
    71,369.33x = 3,894,636,102.29
  5. Step 5: Solve for x
    x = 3,894,636,102.29/71,369.33
  6. Step 6: Final answer
    x = 54,570.17

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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.