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Finding the Fourth Proportional to 55,995.20, 83,749.80 and 50,114.60

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Solution

The fourth proportional to 55,995.20, 83,749.80 and 50,114.60 is: 74,954.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,995.20 : 83,749.80 = 50,114.60 : x
  2. Step 2: Convert to fraction form
    55,995.20/83,749.80 = 50,114.60/x
  3. Step 3: Cross multiply
    55,995.20x = 83,749.80 × 50,114.60
  4. Step 4: Simplify right side
    55,995.20x = 4,197,087,727.08
  5. Step 5: Solve for x
    x = 4,197,087,727.08/55,995.20
  6. Step 6: Final answer
    x = 74,954.42

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1.5x scale

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.