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Finding the Fourth Proportional to 82,900.44, 114,470.10 and 67,589.46

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Solution

The fourth proportional to 82,900.44, 114,470.10 and 67,589.46 is: 93,328.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,900.44 : 114,470.10 = 67,589.46 : x
  2. Step 2: Convert to fraction form
    82,900.44/114,470.10 = 67,589.46/x
  3. Step 3: Cross multiply
    82,900.44x = 114,470.10 × 67,589.46
  4. Step 4: Simplify right side
    82,900.44x = 7,736,972,245.15
  5. Step 5: Solve for x
    x = 7,736,972,245.15/82,900.44
  6. Step 6: Final answer
    x = 93,328.48

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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.