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Finding the Fourth Proportional to 82,119.44, 113,325 and 44,393.84

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Solution

The fourth proportional to 82,119.44, 113,325 and 44,393.84 is: 61,263.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,119.44 : 113,325 = 44,393.84 : x
  2. Step 2: Convert to fraction form
    82,119.44/113,325 = 44,393.84/x
  3. Step 3: Cross multiply
    82,119.44x = 113,325 × 44,393.84
  4. Step 4: Simplify right side
    82,119.44x = 5,030,931,918
  5. Step 5: Solve for x
    x = 5,030,931,918/82,119.44
  6. Step 6: Final answer
    x = 61,263.59

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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.