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Finding the Fourth Proportional to 93,862.70, 140,812.43 and 41,272.03

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Solution

The fourth proportional to 93,862.70, 140,812.43 and 41,272.03 is: 61,916.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,862.70 : 140,812.43 = 41,272.03 : x
  2. Step 2: Convert to fraction form
    93,862.70/140,812.43 = 41,272.03/x
  3. Step 3: Cross multiply
    93,862.70x = 140,812.43 × 41,272.03
  4. Step 4: Simplify right side
    93,862.70x = 5,811,614,804.99
  5. Step 5: Solve for x
    x = 5,811,614,804.99/93,862.70
  6. Step 6: Final answer
    x = 61,916.13

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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.