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Finding the Fourth Proportional to 276,277.58, 414,416.52 and 86,737.11

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Solution

The fourth proportional to 276,277.58, 414,416.52 and 86,737.11 is: 130,105.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,277.58 : 414,416.52 = 86,737.11 : x
  2. Step 2: Convert to fraction form
    276,277.58/414,416.52 = 86,737.11/x
  3. Step 3: Cross multiply
    276,277.58x = 414,416.52 × 86,737.11
  4. Step 4: Simplify right side
    276,277.58x = 35,945,289,727.00
  5. Step 5: Solve for x
    x = 35,945,289,727.00/276,277.58
  6. Step 6: Final answer
    x = 130,105.71

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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.