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Finding the Fourth Proportional to 190,425.94, 285,285.75 and 95,544.70

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Solution

The fourth proportional to 190,425.94, 285,285.75 and 95,544.70 is: 143,139.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,425.94 : 285,285.75 = 95,544.70 : x
  2. Step 2: Convert to fraction form
    190,425.94/285,285.75 = 95,544.70/x
  3. Step 3: Cross multiply
    190,425.94x = 285,285.75 × 95,544.70
  4. Step 4: Simplify right side
    190,425.94x = 27,257,541,398.03
  5. Step 5: Solve for x
    x = 27,257,541,398.03/190,425.94
  6. Step 6: Final answer
    x = 143,139.85

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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.