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Finding the Fourth Proportional to 115,860.75, 173,794.16 and 36,974.90

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Solution

The fourth proportional to 115,860.75, 173,794.16 and 36,974.90 is: 55,463.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,860.75 : 173,794.16 = 36,974.90 : x
  2. Step 2: Convert to fraction form
    115,860.75/173,794.16 = 36,974.90/x
  3. Step 3: Cross multiply
    115,860.75x = 173,794.16 × 36,974.90
  4. Step 4: Simplify right side
    115,860.75x = 6,426,021,686.58
  5. Step 5: Solve for x
    x = 6,426,021,686.58/115,860.75
  6. Step 6: Final answer
    x = 55,463.32

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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.