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Finding the Fourth Proportional to 113,559.98, 170,340.60 and 29,314.39

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Solution

The fourth proportional to 113,559.98, 170,340.60 and 29,314.39 is: 43,971.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,559.98 : 170,340.60 = 29,314.39 : x
  2. Step 2: Convert to fraction form
    113,559.98/170,340.60 = 29,314.39/x
  3. Step 3: Cross multiply
    113,559.98x = 170,340.60 × 29,314.39
  4. Step 4: Simplify right side
    113,559.98x = 4,993,430,781.23
  5. Step 5: Solve for x
    x = 4,993,430,781.23/113,559.98
  6. Step 6: Final answer
    x = 43,971.75

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Why These Related Problems?

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