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Finding the Fourth Proportional to 194,033.80, 291,050.70 and 131,825.80

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Solution

The fourth proportional to 194,033.80, 291,050.70 and 131,825.80 is: 197,738.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,033.80 : 291,050.70 = 131,825.80 : x
  2. Step 2: Convert to fraction form
    194,033.80/291,050.70 = 131,825.80/x
  3. Step 3: Cross multiply
    194,033.80x = 291,050.70 × 131,825.80
  4. Step 4: Simplify right side
    194,033.80x = 38,367,991,368.06
  5. Step 5: Solve for x
    x = 38,367,991,368.06/194,033.80
  6. Step 6: Final answer
    x = 197,738.70

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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.