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Finding the Fourth Proportional to 101,362.04, 139,901.82 and 58,945.04

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Solution

The fourth proportional to 101,362.04, 139,901.82 and 58,945.04 is: 81,357.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,362.04 : 139,901.82 = 58,945.04 : x
  2. Step 2: Convert to fraction form
    101,362.04/139,901.82 = 58,945.04/x
  3. Step 3: Cross multiply
    101,362.04x = 139,901.82 × 58,945.04
  4. Step 4: Simplify right side
    101,362.04x = 8,246,518,375.97
  5. Step 5: Solve for x
    x = 8,246,518,375.97/101,362.04
  6. Step 6: Final answer
    x = 81,357.07

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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.