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Finding the Fourth Proportional to 86,714.82, 119,669.92 and 50,416.09

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Solution

The fourth proportional to 86,714.82, 119,669.92 and 50,416.09 is: 69,576.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,714.82 : 119,669.92 = 50,416.09 : x
  2. Step 2: Convert to fraction form
    86,714.82/119,669.92 = 50,416.09/x
  3. Step 3: Cross multiply
    86,714.82x = 119,669.92 × 50,416.09
  4. Step 4: Simplify right side
    86,714.82x = 6,033,289,031.80
  5. Step 5: Solve for x
    x = 6,033,289,031.80/86,714.82
  6. Step 6: Final answer
    x = 69,576.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.