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Finding the Fourth Proportional to 165,903.64, 248,880.54 and 60,697.60

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Solution

The fourth proportional to 165,903.64, 248,880.54 and 60,697.60 is: 91,055.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,903.64 : 248,880.54 = 60,697.60 : x
  2. Step 2: Convert to fraction form
    165,903.64/248,880.54 = 60,697.60/x
  3. Step 3: Cross multiply
    165,903.64x = 248,880.54 × 60,697.60
  4. Step 4: Simplify right side
    165,903.64x = 15,106,451,464.70
  5. Step 5: Solve for x
    x = 15,106,451,464.70/165,903.64
  6. Step 6: Final answer
    x = 91,055.58

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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.