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Finding the Fourth Proportional to 190,803.84, 286,211.85 and 95,982.20

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Solution

The fourth proportional to 190,803.84, 286,211.85 and 95,982.20 is: 143,976.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,803.84 : 286,211.85 = 95,982.20 : x
  2. Step 2: Convert to fraction form
    190,803.84/286,211.85 = 95,982.20/x
  3. Step 3: Cross multiply
    190,803.84x = 286,211.85 × 95,982.20
  4. Step 4: Simplify right side
    190,803.84x = 27,471,242,311.37
  5. Step 5: Solve for x
    x = 27,471,242,311.37/190,803.84
  6. Step 6: Final answer
    x = 143,976.36

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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.