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Finding the Fourth Proportional to 85,298.92, 117,674.44 and 49,468.16

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Solution

The fourth proportional to 85,298.92, 117,674.44 and 49,468.16 is: 68,243.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,298.92 : 117,674.44 = 49,468.16 : x
  2. Step 2: Convert to fraction form
    85,298.92/117,674.44 = 49,468.16/x
  3. Step 3: Cross multiply
    85,298.92x = 117,674.44 × 49,468.16
  4. Step 4: Simplify right side
    85,298.92x = 5,821,138,474.60
  5. Step 5: Solve for x
    x = 5,821,138,474.60/85,298.92
  6. Step 6: Final answer
    x = 68,243.99

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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.