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Finding the Fourth Proportional to 81,906.68, 113,034.86 and 46,099.01

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Solution

The fourth proportional to 81,906.68, 113,034.86 and 46,099.01 is: 63,618.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,906.68 : 113,034.86 = 46,099.01 : x
  2. Step 2: Convert to fraction form
    81,906.68/113,034.86 = 46,099.01/x
  3. Step 3: Cross multiply
    81,906.68x = 113,034.86 × 46,099.01
  4. Step 4: Simplify right side
    81,906.68x = 5,210,795,366.45
  5. Step 5: Solve for x
    x = 5,210,795,366.45/81,906.68
  6. Step 6: Final answer
    x = 63,618.68

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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.