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Finding the Fourth Proportional to 113,317.60, 169,830.60 and 54,025.60

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Solution

The fourth proportional to 113,317.60, 169,830.60 and 54,025.60 is: 80,968.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,317.60 : 169,830.60 = 54,025.60 : x
  2. Step 2: Convert to fraction form
    113,317.60/169,830.60 = 54,025.60/x
  3. Step 3: Cross multiply
    113,317.60x = 169,830.60 × 54,025.60
  4. Step 4: Simplify right side
    113,317.60x = 9,175,200,063.36
  5. Step 5: Solve for x
    x = 9,175,200,063.36/113,317.60
  6. Step 6: Final answer
    x = 80,968.89

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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.