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Finding the Fourth Proportional to 173,415.62, 260,144.27 and 61,072.63

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Solution

The fourth proportional to 173,415.62, 260,144.27 and 61,072.63 is: 91,616.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,415.62 : 260,144.27 = 61,072.63 : x
  2. Step 2: Convert to fraction form
    173,415.62/260,144.27 = 61,072.63/x
  3. Step 3: Cross multiply
    173,415.62x = 260,144.27 × 61,072.63
  4. Step 4: Simplify right side
    173,415.62x = 15,887,693,142.25
  5. Step 5: Solve for x
    x = 15,887,693,142.25/173,415.62
  6. Step 6: Final answer
    x = 91,616.28

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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.