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Finding the Fourth Proportional to 89,604.66, 123,662.70 and 49,326.60

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Solution

The fourth proportional to 89,604.66, 123,662.70 and 49,326.60 is: 68,075.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,604.66 : 123,662.70 = 49,326.60 : x
  2. Step 2: Convert to fraction form
    89,604.66/123,662.70 = 49,326.60/x
  3. Step 3: Cross multiply
    89,604.66x = 123,662.70 × 49,326.60
  4. Step 4: Simplify right side
    89,604.66x = 6,099,860,537.82
  5. Step 5: Solve for x
    x = 6,099,860,537.82/89,604.66
  6. Step 6: Final answer
    x = 68,075.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.