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Finding the Fourth Proportional to 93,201.91, 139,768.83 and 34,020.07

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Solution

The fourth proportional to 93,201.91, 139,768.83 and 34,020.07 is: 51,017.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,201.91 : 139,768.83 = 34,020.07 : x
  2. Step 2: Convert to fraction form
    93,201.91/139,768.83 = 34,020.07/x
  3. Step 3: Cross multiply
    93,201.91x = 139,768.83 × 34,020.07
  4. Step 4: Simplify right side
    93,201.91x = 4,754,944,681.57
  5. Step 5: Solve for x
    x = 4,754,944,681.57/93,201.91
  6. Step 6: Final answer
    x = 51,017.68

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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.