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Finding the Fourth Proportional to 134,764.80, 202,195.80 and 55,903.20

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Solution

The fourth proportional to 134,764.80, 202,195.80 and 55,903.20 is: 83,874.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,764.80 : 202,195.80 = 55,903.20 : x
  2. Step 2: Convert to fraction form
    134,764.80/202,195.80 = 55,903.20/x
  3. Step 3: Cross multiply
    134,764.80x = 202,195.80 × 55,903.20
  4. Step 4: Simplify right side
    134,764.80x = 11,303,392,246.56
  5. Step 5: Solve for x
    x = 11,303,392,246.56/134,764.80
  6. Step 6: Final answer
    x = 83,874.96

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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.