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Finding the Fourth Proportional to 115,825.68, 173,701.44 and 36,921.42

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Solution

The fourth proportional to 115,825.68, 173,701.44 and 36,921.42 is: 55,370.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,825.68 : 173,701.44 = 36,921.42 : x
  2. Step 2: Convert to fraction form
    115,825.68/173,701.44 = 36,921.42/x
  3. Step 3: Cross multiply
    115,825.68x = 173,701.44 × 36,921.42
  4. Step 4: Simplify right side
    115,825.68x = 6,413,303,820.84
  5. Step 5: Solve for x
    x = 6,413,303,820.84/115,825.68
  6. Step 6: Final answer
    x = 55,370.31

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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.