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Finding the Fourth Proportional to 136,647.56, 204,977.48 and 41,870.80

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Solution

The fourth proportional to 136,647.56, 204,977.48 and 41,870.80 is: 62,808.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,647.56 : 204,977.48 = 41,870.80 : x
  2. Step 2: Convert to fraction form
    136,647.56/204,977.48 = 41,870.80/x
  3. Step 3: Cross multiply
    136,647.56x = 204,977.48 × 41,870.80
  4. Step 4: Simplify right side
    136,647.56x = 8,582,571,069.58
  5. Step 5: Solve for x
    x = 8,582,571,069.58/136,647.56
  6. Step 6: Final answer
    x = 62,808.08

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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.