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Finding the Fourth Proportional to 276,025.06, 414,037.08 and 86,499.95

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Solution

The fourth proportional to 276,025.06, 414,037.08 and 86,499.95 is: 129,749.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,025.06 : 414,037.08 = 86,499.95 : x
  2. Step 2: Convert to fraction form
    276,025.06/414,037.08 = 86,499.95/x
  3. Step 3: Cross multiply
    276,025.06x = 414,037.08 × 86,499.95
  4. Step 4: Simplify right side
    276,025.06x = 35,814,184,647.96
  5. Step 5: Solve for x
    x = 35,814,184,647.96/276,025.06
  6. Step 6: Final answer
    x = 129,749.76

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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.