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Finding the Fourth Proportional to 114,936.80, 172,405.20 and 36,050.90

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Solution

The fourth proportional to 114,936.80, 172,405.20 and 36,050.90 is: 54,076.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,936.80 : 172,405.20 = 36,050.90 : x
  2. Step 2: Convert to fraction form
    114,936.80/172,405.20 = 36,050.90/x
  3. Step 3: Cross multiply
    114,936.80x = 172,405.20 × 36,050.90
  4. Step 4: Simplify right side
    114,936.80x = 6,215,362,624.68
  5. Step 5: Solve for x
    x = 6,215,362,624.68/114,936.80
  6. Step 6: Final answer
    x = 54,076.35

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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.