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Finding the Fourth Proportional to 115,119.95, 172,671.50 and 36,256.73

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Solution

The fourth proportional to 115,119.95, 172,671.50 and 36,256.73 is: 54,382.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,119.95 : 172,671.50 = 36,256.73 : x
  2. Step 2: Convert to fraction form
    115,119.95/172,671.50 = 36,256.73/x
  3. Step 3: Cross multiply
    115,119.95x = 172,671.50 × 36,256.73
  4. Step 4: Simplify right side
    115,119.95x = 6,260,503,954.20
  5. Step 5: Solve for x
    x = 6,260,503,954.20/115,119.95
  6. Step 6: Final answer
    x = 54,382.44

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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.