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Finding the Fourth Proportional to 248,944.80, 373,368.60 and 82,732.80

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Solution

The fourth proportional to 248,944.80, 373,368.60 and 82,732.80 is: 124,083.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,944.80 : 373,368.60 = 82,732.80 : x
  2. Step 2: Convert to fraction form
    248,944.80/373,368.60 = 82,732.80/x
  3. Step 3: Cross multiply
    248,944.80x = 373,368.60 × 82,732.80
  4. Step 4: Simplify right side
    248,944.80x = 30,889,829,710.08
  5. Step 5: Solve for x
    x = 30,889,829,710.08/248,944.80
  6. Step 6: Final answer
    x = 124,083.05

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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.