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Finding the Fourth Proportional to 85,093.80, 127,446.30 and 50,101.80

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Solution

The fourth proportional to 85,093.80, 127,446.30 and 50,101.80 is: 75,038.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,093.80 : 127,446.30 = 50,101.80 : x
  2. Step 2: Convert to fraction form
    85,093.80/127,446.30 = 50,101.80/x
  3. Step 3: Cross multiply
    85,093.80x = 127,446.30 × 50,101.80
  4. Step 4: Simplify right side
    85,093.80x = 6,385,289,033.34
  5. Step 5: Solve for x
    x = 6,385,289,033.34/85,093.80
  6. Step 6: Final answer
    x = 75,038.24

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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.