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Finding the Fourth Proportional to 190,951.69, 286,481.15 and 56,018.94

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Solution

The fourth proportional to 190,951.69, 286,481.15 and 56,018.94 is: 84,044.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,951.69 : 286,481.15 = 56,018.94 : x
  2. Step 2: Convert to fraction form
    190,951.69/286,481.15 = 56,018.94/x
  3. Step 3: Cross multiply
    190,951.69x = 286,481.15 × 56,018.94
  4. Step 4: Simplify right side
    190,951.69x = 16,048,370,662.56
  5. Step 5: Solve for x
    x = 16,048,370,662.56/190,951.69
  6. Step 6: Final answer
    x = 84,044.14

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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.