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Finding the Fourth Proportional to 190,893.96, 286,223.19 and 64,522.28

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Solution

The fourth proportional to 190,893.96, 286,223.19 and 64,522.28 is: 96,743.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,893.96 : 286,223.19 = 64,522.28 : x
  2. Step 2: Convert to fraction form
    190,893.96/286,223.19 = 64,522.28/x
  3. Step 3: Cross multiply
    190,893.96x = 286,223.19 × 64,522.28
  4. Step 4: Simplify right side
    190,893.96x = 18,467,771,376.56
  5. Step 5: Solve for x
    x = 18,467,771,376.56/190,893.96
  6. Step 6: Final answer
    x = 96,743.61

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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.