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Finding the Fourth Proportional to 114,465.60, 171,698.40 and 110,091.60

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Solution

The fourth proportional to 114,465.60, 171,698.40 and 110,091.60 is: 165,137.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,465.60 : 171,698.40 = 110,091.60 : x
  2. Step 2: Convert to fraction form
    114,465.60/171,698.40 = 110,091.60/x
  3. Step 3: Cross multiply
    114,465.60x = 171,698.40 × 110,091.60
  4. Step 4: Simplify right side
    114,465.60x = 18,902,551,573.44
  5. Step 5: Solve for x
    x = 18,902,551,573.44/114,465.60
  6. Step 6: Final answer
    x = 165,137.40

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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.