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Finding the Fourth Proportional to 101,065.73, 139,464.25 and 55,744.00

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Solution

The fourth proportional to 101,065.73, 139,464.25 and 55,744.00 is: 76,923.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,065.73 : 139,464.25 = 55,744.00 : x
  2. Step 2: Convert to fraction form
    101,065.73/139,464.25 = 55,744.00/x
  3. Step 3: Cross multiply
    101,065.73x = 139,464.25 × 55,744.00
  4. Step 4: Simplify right side
    101,065.73x = 7,774,294,663.98
  5. Step 5: Solve for x
    x = 7,774,294,663.98/101,065.73
  6. Step 6: Final answer
    x = 76,923.16

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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.