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Finding the Fourth Proportional to 107.93, 159.63 and 107.93

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Solution

The fourth proportional to 107.93, 159.63 and 107.93 is: 159.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    107.93 : 159.63 = 107.93 : x
  2. Step 2: Convert to fraction form
    107.93/159.63 = 107.93/x
  3. Step 3: Cross multiply
    107.93x = 159.63 × 107.93
  4. Step 4: Simplify right side
    107.93x = 17,228.07
  5. Step 5: Solve for x
    x = 17,228.07/107.93
  6. Step 6: Final answer
    x = 159.63

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.