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Finding the Fourth Proportional to 113,635.50, 170,477.86 and 43,514.82

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Solution

The fourth proportional to 113,635.50, 170,477.86 and 43,514.82 is: 65,281.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,635.50 : 170,477.86 = 43,514.82 : x
  2. Step 2: Convert to fraction form
    113,635.50/170,477.86 = 43,514.82/x
  3. Step 3: Cross multiply
    113,635.50x = 170,477.86 × 43,514.82
  4. Step 4: Simplify right side
    113,635.50x = 7,418,312,321.92
  5. Step 5: Solve for x
    x = 7,418,312,321.92/113,635.50
  6. Step 6: Final answer
    x = 65,281.64

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.