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Finding the Fourth Proportional to 152,912.00, 211,015.88 and 84,926.37

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Solution

The fourth proportional to 152,912.00, 211,015.88 and 84,926.37 is: 117,196.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,912.00 : 211,015.88 = 84,926.37 : x
  2. Step 2: Convert to fraction form
    152,912.00/211,015.88 = 84,926.37/x
  3. Step 3: Cross multiply
    152,912.00x = 211,015.88 × 84,926.37
  4. Step 4: Simplify right side
    152,912.00x = 17,920,813,863.62
  5. Step 5: Solve for x
    x = 17,920,813,863.62/152,912.00
  6. Step 6: Final answer
    x = 117,196.91

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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.