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Finding the Fourth Proportional to 86,612.63, 119,525.42 and 48,889.31

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Solution

The fourth proportional to 86,612.63, 119,525.42 and 48,889.31 is: 67,467.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,612.63 : 119,525.42 = 48,889.31 : x
  2. Step 2: Convert to fraction form
    86,612.63/119,525.42 = 48,889.31/x
  3. Step 3: Cross multiply
    86,612.63x = 119,525.42 × 48,889.31
  4. Step 4: Simplify right side
    86,612.63x = 5,843,514,835.86
  5. Step 5: Solve for x
    x = 5,843,514,835.86/86,612.63
  6. Step 6: Final answer
    x = 67,467.24

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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.