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Finding the Fourth Proportional to 107,159.25, 160,745.55 and 28,273.56

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Solution

The fourth proportional to 107,159.25, 160,745.55 and 28,273.56 is: 42,412.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,159.25 : 160,745.55 = 28,273.56 : x
  2. Step 2: Convert to fraction form
    107,159.25/160,745.55 = 28,273.56/x
  3. Step 3: Cross multiply
    107,159.25x = 160,745.55 × 28,273.56
  4. Step 4: Simplify right side
    107,159.25x = 4,544,848,952.66
  5. Step 5: Solve for x
    x = 4,544,848,952.66/107,159.25
  6. Step 6: Final answer
    x = 42,412.10

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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.