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Finding the Fourth Proportional to 146,083, 201,594.92 and 79,015

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Solution

The fourth proportional to 146,083, 201,594.92 and 79,015 is: 109,040.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,083 : 201,594.92 = 79,015 : x
  2. Step 2: Convert to fraction form
    146,083/201,594.92 = 79,015/x
  3. Step 3: Cross multiply
    146,083x = 201,594.92 × 79,015
  4. Step 4: Simplify right side
    146,083x = 15,929,022,603.80
  5. Step 5: Solve for x
    x = 15,929,022,603.80/146,083
  6. Step 6: Final answer
    x = 109,040.91

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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.