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Finding the Fourth Proportional to 89,959.58, 124,144.41 and 49,673.42

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Solution

The fourth proportional to 89,959.58, 124,144.41 and 49,673.42 is: 68,549.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,959.58 : 124,144.41 = 49,673.42 : x
  2. Step 2: Convert to fraction form
    89,959.58/124,144.41 = 49,673.42/x
  3. Step 3: Cross multiply
    89,959.58x = 124,144.41 × 49,673.42
  4. Step 4: Simplify right side
    89,959.58x = 6,166,677,728.94
  5. Step 5: Solve for x
    x = 6,166,677,728.94/89,959.58
  6. Step 6: Final answer
    x = 68,549.43

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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.