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Finding the Fourth Proportional to 208,941.84, 287,230.88 and 179,763.68

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Solution

The fourth proportional to 208,941.84, 287,230.88 and 179,763.68 is: 247,119.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,941.84 : 287,230.88 = 179,763.68 : x
  2. Step 2: Convert to fraction form
    208,941.84/287,230.88 = 179,763.68/x
  3. Step 3: Cross multiply
    208,941.84x = 287,230.88 × 179,763.68
  4. Step 4: Simplify right side
    208,941.84x = 51,633,679,998.44
  5. Step 5: Solve for x
    x = 51,633,679,998.44/208,941.84
  6. Step 6: Final answer
    x = 247,119.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.