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Finding the Fourth Proportional to 82,806.60, 114,273.54 and 45,081.12

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Solution

The fourth proportional to 82,806.60, 114,273.54 and 45,081.12 is: 62,212.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,806.60 : 114,273.54 = 45,081.12 : x
  2. Step 2: Convert to fraction form
    82,806.60/114,273.54 = 45,081.12/x
  3. Step 3: Cross multiply
    82,806.60x = 114,273.54 × 45,081.12
  4. Step 4: Simplify right side
    82,806.60x = 5,151,579,169.56
  5. Step 5: Solve for x
    x = 5,151,579,169.56/82,806.60
  6. Step 6: Final answer
    x = 62,212.18

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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.