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Finding the Fourth Proportional to 158,914.80, 238,371.48 and 53,806.32

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Solution

The fourth proportional to 158,914.80, 238,371.48 and 53,806.32 is: 80,709.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,914.80 : 238,371.48 = 53,806.32 : x
  2. Step 2: Convert to fraction form
    158,914.80/238,371.48 = 53,806.32/x
  3. Step 3: Cross multiply
    158,914.80x = 238,371.48 × 53,806.32
  4. Step 4: Simplify right side
    158,914.80x = 12,825,892,131.75
  5. Step 5: Solve for x
    x = 12,825,892,131.75/158,914.80
  6. Step 6: Final answer
    x = 80,709.24

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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.