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Finding the Fourth Proportional to 130,486.59, 195,759.05 and 41,745.42

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Solution

The fourth proportional to 130,486.59, 195,759.05 and 41,745.42 is: 62,627.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,486.59 : 195,759.05 = 41,745.42 : x
  2. Step 2: Convert to fraction form
    130,486.59/195,759.05 = 41,745.42/x
  3. Step 3: Cross multiply
    130,486.59x = 195,759.05 × 41,745.42
  4. Step 4: Simplify right side
    130,486.59x = 8,172,043,552.32
  5. Step 5: Solve for x
    x = 8,172,043,552.32/130,486.59
  6. Step 6: Final answer
    x = 62,627.46

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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.