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Finding the Fourth Proportional to 114,203.88, 171,310.62 and 35,319.60

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Solution

The fourth proportional to 114,203.88, 171,310.62 and 35,319.60 is: 52,980.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,203.88 : 171,310.62 = 35,319.60 : x
  2. Step 2: Convert to fraction form
    114,203.88/171,310.62 = 35,319.60/x
  3. Step 3: Cross multiply
    114,203.88x = 171,310.62 × 35,319.60
  4. Step 4: Simplify right side
    114,203.88x = 6,050,622,574.15
  5. Step 5: Solve for x
    x = 6,050,622,574.15/114,203.88
  6. Step 6: Final answer
    x = 52,980.88

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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.