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Finding the Fourth Proportional to 191,249.37, 286,866.72 and 51,006.78

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Solution

The fourth proportional to 191,249.37, 286,866.72 and 51,006.78 is: 76,508.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,249.37 : 286,866.72 = 51,006.78 : x
  2. Step 2: Convert to fraction form
    191,249.37/286,866.72 = 51,006.78/x
  3. Step 3: Cross multiply
    191,249.37x = 286,866.72 × 51,006.78
  4. Step 4: Simplify right side
    191,249.37x = 14,632,147,676.36
  5. Step 5: Solve for x
    x = 14,632,147,676.36/191,249.37
  6. Step 6: Final answer
    x = 76,508.21

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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.