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Finding the Fourth Proportional to 115,671.84, 173,505.36 and 36,786.24

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Solution

The fourth proportional to 115,671.84, 173,505.36 and 36,786.24 is: 55,178.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,671.84 : 173,505.36 = 36,786.24 : x
  2. Step 2: Convert to fraction form
    115,671.84/173,505.36 = 36,786.24/x
  3. Step 3: Cross multiply
    115,671.84x = 173,505.36 × 36,786.24
  4. Step 4: Simplify right side
    115,671.84x = 6,382,609,814.25
  5. Step 5: Solve for x
    x = 6,382,609,814.25/115,671.84
  6. Step 6: Final answer
    x = 55,178.60

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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.