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Finding the Fourth Proportional to 82,806.48, 114,269.32 and 45,080.72

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Solution

The fourth proportional to 82,806.48, 114,269.32 and 45,080.72 is: 62,209.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,806.48 : 114,269.32 = 45,080.72 : x
  2. Step 2: Convert to fraction form
    82,806.48/114,269.32 = 45,080.72/x
  3. Step 3: Cross multiply
    82,806.48x = 114,269.32 × 45,080.72
  4. Step 4: Simplify right side
    82,806.48x = 5,151,343,219.51
  5. Step 5: Solve for x
    x = 5,151,343,219.51/82,806.48
  6. Step 6: Final answer
    x = 62,209.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.