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Finding the Fourth Proportional to 173,415.62, 260,144.25 and 61,072.60

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Solution

The fourth proportional to 173,415.62, 260,144.25 and 61,072.60 is: 91,616.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,415.62 : 260,144.25 = 61,072.60 : x
  2. Step 2: Convert to fraction form
    173,415.62/260,144.25 = 61,072.60/x
  3. Step 3: Cross multiply
    173,415.62x = 260,144.25 × 61,072.60
  4. Step 4: Simplify right side
    173,415.62x = 15,887,685,722.55
  5. Step 5: Solve for x
    x = 15,887,685,722.55/173,415.62
  6. Step 6: Final answer
    x = 91,616.23

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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.