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Finding the Fourth Proportional to 169,406.81, 233,788.73 and 101,410.62

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Solution

The fourth proportional to 169,406.81, 233,788.73 and 101,410.62 is: 139,951.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,406.81 : 233,788.73 = 101,410.62 : x
  2. Step 2: Convert to fraction form
    169,406.81/233,788.73 = 101,410.62/x
  3. Step 3: Cross multiply
    169,406.81x = 233,788.73 × 101,410.62
  4. Step 4: Simplify right side
    169,406.81x = 23,708,659,551.26
  5. Step 5: Solve for x
    x = 23,708,659,551.26/169,406.81
  6. Step 6: Final answer
    x = 139,951.05

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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.