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Finding the Fourth Proportional to 106,693.52, 159,954.51 and 73,314.68

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Solution

The fourth proportional to 106,693.52, 159,954.51 and 73,314.68 is: 109,913.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,693.52 : 159,954.51 = 73,314.68 : x
  2. Step 2: Convert to fraction form
    106,693.52/159,954.51 = 73,314.68/x
  3. Step 3: Cross multiply
    106,693.52x = 159,954.51 × 73,314.68
  4. Step 4: Simplify right side
    106,693.52x = 11,727,013,715.21
  5. Step 5: Solve for x
    x = 11,727,013,715.21/106,693.52
  6. Step 6: Final answer
    x = 109,913.08

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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.