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Finding the Fourth Proportional to 115,060.70, 172,520.58 and 44,858

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Solution

The fourth proportional to 115,060.70, 172,520.58 and 44,858 is: 67,259.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,060.70 : 172,520.58 = 44,858 : x
  2. Step 2: Convert to fraction form
    115,060.70/172,520.58 = 44,858/x
  3. Step 3: Cross multiply
    115,060.70x = 172,520.58 × 44,858
  4. Step 4: Simplify right side
    115,060.70x = 7,738,928,177.64
  5. Step 5: Solve for x
    x = 7,738,928,177.64/115,060.70
  6. Step 6: Final answer
    x = 67,259.53

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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.