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Finding the Fourth Proportional to 64,054.80, 95,855.40 and 55,825.20

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Solution

The fourth proportional to 64,054.80, 95,855.40 and 55,825.20 is: 83,540.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,054.80 : 95,855.40 = 55,825.20 : x
  2. Step 2: Convert to fraction form
    64,054.80/95,855.40 = 55,825.20/x
  3. Step 3: Cross multiply
    64,054.80x = 95,855.40 × 55,825.20
  4. Step 4: Simplify right side
    64,054.80x = 5,351,146,876.08
  5. Step 5: Solve for x
    x = 5,351,146,876.08/64,054.80
  6. Step 6: Final answer
    x = 83,540.14

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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.