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Finding the Fourth Proportional to 110,160, 152,020.80 and 59,859

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Solution

The fourth proportional to 110,160, 152,020.80 and 59,859 is: 82,605.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,160 : 152,020.80 = 59,859 : x
  2. Step 2: Convert to fraction form
    110,160/152,020.80 = 59,859/x
  3. Step 3: Cross multiply
    110,160x = 152,020.80 × 59,859
  4. Step 4: Simplify right side
    110,160x = 9,099,813,067.20
  5. Step 5: Solve for x
    x = 9,099,813,067.20/110,160
  6. Step 6: Final answer
    x = 82,605.42

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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.