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Finding the Fourth Proportional to 101,814.44, 152,726.46 and 84,012.08

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Solution

The fourth proportional to 101,814.44, 152,726.46 and 84,012.08 is: 126,022.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,814.44 : 152,726.46 = 84,012.08 : x
  2. Step 2: Convert to fraction form
    101,814.44/152,726.46 = 84,012.08/x
  3. Step 3: Cross multiply
    101,814.44x = 152,726.46 × 84,012.08
  4. Step 4: Simplify right side
    101,814.44x = 12,830,867,575.64
  5. Step 5: Solve for x
    x = 12,830,867,575.64/101,814.44
  6. Step 6: Final answer
    x = 126,022.08

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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.