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Finding the Fourth Proportional to 82,740.17, 114,181.94 and 45,014.69

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Solution

The fourth proportional to 82,740.17, 114,181.94 and 45,014.69 is: 62,120.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,740.17 : 114,181.94 = 45,014.69 : x
  2. Step 2: Convert to fraction form
    82,740.17/114,181.94 = 45,014.69/x
  3. Step 3: Cross multiply
    82,740.17x = 114,181.94 × 45,014.69
  4. Step 4: Simplify right side
    82,740.17x = 5,139,864,632.70
  5. Step 5: Solve for x
    x = 5,139,864,632.70/82,740.17
  6. Step 6: Final answer
    x = 62,120.55

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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.