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Finding the Fourth Proportional to 82,393.08, 113,620.57 and 62,023.91

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Solution

The fourth proportional to 82,393.08, 113,620.57 and 62,023.91 is: 85,531.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,393.08 : 113,620.57 = 62,023.91 : x
  2. Step 2: Convert to fraction form
    82,393.08/113,620.57 = 62,023.91/x
  3. Step 3: Cross multiply
    82,393.08x = 113,620.57 × 62,023.91
  4. Step 4: Simplify right side
    82,393.08x = 7,047,191,284.67
  5. Step 5: Solve for x
    x = 7,047,191,284.67/82,393.08
  6. Step 6: Final answer
    x = 85,531.35

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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.