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Finding the Fourth Proportional to 135,335.60, 202,830.60 and 104,015.60

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Solution

The fourth proportional to 135,335.60, 202,830.60 and 104,015.60 is: 155,890.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,335.60 : 202,830.60 = 104,015.60 : x
  2. Step 2: Convert to fraction form
    135,335.60/202,830.60 = 104,015.60/x
  3. Step 3: Cross multiply
    135,335.60x = 202,830.60 × 104,015.60
  4. Step 4: Simplify right side
    135,335.60x = 21,097,546,557.36
  5. Step 5: Solve for x
    x = 21,097,546,557.36/135,335.60
  6. Step 6: Final answer
    x = 155,890.59

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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.