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Finding the Fourth Proportional to 104,745.56, 157,142.94 and 34,624.88

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Solution

The fourth proportional to 104,745.56, 157,142.94 and 34,624.88 is: 51,945.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,745.56 : 157,142.94 = 34,624.88 : x
  2. Step 2: Convert to fraction form
    104,745.56/157,142.94 = 34,624.88/x
  3. Step 3: Cross multiply
    104,745.56x = 157,142.94 × 34,624.88
  4. Step 4: Simplify right side
    104,745.56x = 5,441,055,440.35
  5. Step 5: Solve for x
    x = 5,441,055,440.35/104,745.56
  6. Step 6: Final answer
    x = 51,945.45

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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.