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Finding the Fourth Proportional to 173,791.20, 261,075.60 and 166,706.40

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Solution

The fourth proportional to 173,791.20, 261,075.60 and 166,706.40 is: 250,432.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,791.20 : 261,075.60 = 166,706.40 : x
  2. Step 2: Convert to fraction form
    173,791.20/261,075.60 = 166,706.40/x
  3. Step 3: Cross multiply
    173,791.20x = 261,075.60 × 166,706.40
  4. Step 4: Simplify right side
    173,791.20x = 43,522,973,403.84
  5. Step 5: Solve for x
    x = 43,522,973,403.84/173,791.20
  6. Step 6: Final answer
    x = 250,432.55

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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.