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Finding the Fourth Proportional to 194,617.60, 291,923.52 and 105,850.24

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Solution

The fourth proportional to 194,617.60, 291,923.52 and 105,850.24 is: 158,773.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,617.60 : 291,923.52 = 105,850.24 : x
  2. Step 2: Convert to fraction form
    194,617.60/291,923.52 = 105,850.24/x
  3. Step 3: Cross multiply
    194,617.60x = 291,923.52 × 105,850.24
  4. Step 4: Simplify right side
    194,617.60x = 30,900,174,653.64
  5. Step 5: Solve for x
    x = 30,900,174,653.64/194,617.60
  6. Step 6: Final answer
    x = 158,773.79

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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.