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Finding the Fourth Proportional to 114,326.60, 171,684.30 and 84,777.80

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Solution

The fourth proportional to 114,326.60, 171,684.30 and 84,777.80 is: 127,310.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,326.60 : 171,684.30 = 84,777.80 : x
  2. Step 2: Convert to fraction form
    114,326.60/171,684.30 = 84,777.80/x
  3. Step 3: Cross multiply
    114,326.60x = 171,684.30 × 84,777.80
  4. Step 4: Simplify right side
    114,326.60x = 14,555,017,248.54
  5. Step 5: Solve for x
    x = 14,555,017,248.54/114,326.60
  6. Step 6: Final answer
    x = 127,310.86

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1.5x scale

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.