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Finding the Fourth Proportional to 82,114.48, 113,317.92 and 44,388.72

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Solution

The fourth proportional to 82,114.48, 113,317.92 and 44,388.72 is: 61,256.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,114.48 : 113,317.92 = 44,388.72 : x
  2. Step 2: Convert to fraction form
    82,114.48/113,317.92 = 44,388.72/x
  3. Step 3: Cross multiply
    82,114.48x = 113,317.92 × 44,388.72
  4. Step 4: Simplify right side
    82,114.48x = 5,030,037,421.86
  5. Step 5: Solve for x
    x = 5,030,037,421.86/82,114.48
  6. Step 6: Final answer
    x = 61,256.40

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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.