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Finding the Fourth Proportional to 82,738.01, 114,178.59 and 45,012.26

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Solution

The fourth proportional to 82,738.01, 114,178.59 and 45,012.26 is: 62,116.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,738.01 : 114,178.59 = 45,012.26 : x
  2. Step 2: Convert to fraction form
    82,738.01/114,178.59 = 45,012.26/x
  3. Step 3: Cross multiply
    82,738.01x = 114,178.59 × 45,012.26
  4. Step 4: Simplify right side
    82,738.01x = 5,139,435,808.62
  5. Step 5: Solve for x
    x = 5,139,435,808.62/82,738.01
  6. Step 6: Final answer
    x = 62,116.99

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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.