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Finding the Fourth Proportional to 114,674.85, 158,246.04 and 63,690.84

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Solution

The fourth proportional to 114,674.85, 158,246.04 and 63,690.84 is: 87,890.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,674.85 : 158,246.04 = 63,690.84 : x
  2. Step 2: Convert to fraction form
    114,674.85/158,246.04 = 63,690.84/x
  3. Step 3: Cross multiply
    114,674.85x = 158,246.04 × 63,690.84
  4. Step 4: Simplify right side
    114,674.85x = 10,078,823,214.27
  5. Step 5: Solve for x
    x = 10,078,823,214.27/114,674.85
  6. Step 6: Final answer
    x = 87,890.44

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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.