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Finding the Fourth Proportional to 86,714.76, 119,663.84 and 48,474.39

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Solution

The fourth proportional to 86,714.76, 119,663.84 and 48,474.39 is: 66,893.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,714.76 : 119,663.84 = 48,474.39 : x
  2. Step 2: Convert to fraction form
    86,714.76/119,663.84 = 48,474.39/x
  3. Step 3: Cross multiply
    86,714.76x = 119,663.84 × 48,474.39
  4. Step 4: Simplify right side
    86,714.76x = 5,800,631,406.69
  5. Step 5: Solve for x
    x = 5,800,631,406.69/86,714.76
  6. Step 6: Final answer
    x = 66,893.24

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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.