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Finding the Fourth Proportional to 190,353.75, 285,535.22 and 63,995.64

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Solution

The fourth proportional to 190,353.75, 285,535.22 and 63,995.64 is: 95,995.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,353.75 : 285,535.22 = 63,995.64 : x
  2. Step 2: Convert to fraction form
    190,353.75/285,535.22 = 63,995.64/x
  3. Step 3: Cross multiply
    190,353.75x = 285,535.22 × 63,995.64
  4. Step 4: Simplify right side
    190,353.75x = 18,273,008,826.46
  5. Step 5: Solve for x
    x = 18,273,008,826.46/190,353.75
  6. Step 6: Final answer
    x = 95,995.00

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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.