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Finding the Fourth Proportional to 114,363.60, 171,739.80 and 84,814.80

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Solution

The fourth proportional to 114,363.60, 171,739.80 and 84,814.80 is: 127,366.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,363.60 : 171,739.80 = 84,814.80 : x
  2. Step 2: Convert to fraction form
    114,363.60/171,739.80 = 84,814.80/x
  3. Step 3: Cross multiply
    114,363.60x = 171,739.80 × 84,814.80
  4. Step 4: Simplify right side
    114,363.60x = 14,566,076,789.04
  5. Step 5: Solve for x
    x = 14,566,076,789.04/114,363.60
  6. Step 6: Final answer
    x = 127,366.37

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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.