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Finding the Fourth Proportional to 115,801.60, 173,686.20 and 36,923.80

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Solution

The fourth proportional to 115,801.60, 173,686.20 and 36,923.80 is: 55,380.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,801.60 : 173,686.20 = 36,923.80 : x
  2. Step 2: Convert to fraction form
    115,801.60/173,686.20 = 36,923.80/x
  3. Step 3: Cross multiply
    115,801.60x = 173,686.20 × 36,923.80
  4. Step 4: Simplify right side
    115,801.60x = 6,413,154,511.56
  5. Step 5: Solve for x
    x = 6,413,154,511.56/115,801.60
  6. Step 6: Final answer
    x = 55,380.53

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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.