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Finding the Fourth Proportional to 127,814.80, 191,722.20 and 114,036.70

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Solution

The fourth proportional to 127,814.80, 191,722.20 and 114,036.70 is: 171,055.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,814.80 : 191,722.20 = 114,036.70 : x
  2. Step 2: Convert to fraction form
    127,814.80/191,722.20 = 114,036.70/x
  3. Step 3: Cross multiply
    127,814.80x = 191,722.20 × 114,036.70
  4. Step 4: Simplify right side
    127,814.80x = 21,863,367,004.74
  5. Step 5: Solve for x
    x = 21,863,367,004.74/127,814.80
  6. Step 6: Final answer
    x = 171,055.05

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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.