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Finding the Fourth Proportional to 80,550.92, 120,848.16 and 57,324.80

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Solution

The fourth proportional to 80,550.92, 120,848.16 and 57,324.80 is: 86,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,550.92 : 120,848.16 = 57,324.80 : x
  2. Step 2: Convert to fraction form
    80,550.92/120,848.16 = 57,324.80/x
  3. Step 3: Cross multiply
    80,550.92x = 120,848.16 × 57,324.80
  4. Step 4: Simplify right side
    80,550.92x = 6,927,596,602.37
  5. Step 5: Solve for x
    x = 6,927,596,602.37/80,550.92
  6. Step 6: Final answer
    x = 86,002.70

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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.