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Finding the Fourth Proportional to 110,907.55, 166,261.49 and 39,813.51

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Solution

The fourth proportional to 110,907.55, 166,261.49 and 39,813.51 is: 59,684.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,907.55 : 166,261.49 = 39,813.51 : x
  2. Step 2: Convert to fraction form
    110,907.55/166,261.49 = 39,813.51/x
  3. Step 3: Cross multiply
    110,907.55x = 166,261.49 × 39,813.51
  4. Step 4: Simplify right side
    110,907.55x = 6,619,453,494.73
  5. Step 5: Solve for x
    x = 6,619,453,494.73/110,907.55
  6. Step 6: Final answer
    x = 59,684.43

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1.5x scale

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.