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Finding the Fourth Proportional to 190,951.65, 286,481.10 and 56,018.91

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Solution

The fourth proportional to 190,951.65, 286,481.10 and 56,018.91 is: 84,044.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,951.65 : 286,481.10 = 56,018.91 : x
  2. Step 2: Convert to fraction form
    190,951.65/286,481.10 = 56,018.91/x
  3. Step 3: Cross multiply
    190,951.65x = 286,481.10 × 56,018.91
  4. Step 4: Simplify right side
    190,951.65x = 16,048,357,665.24
  5. Step 5: Solve for x
    x = 16,048,357,665.24/190,951.65
  6. Step 6: Final answer
    x = 84,044.09

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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.