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Finding the Fourth Proportional to 100,684.94, 151,053.03 and 29,610.09

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Solution

The fourth proportional to 100,684.94, 151,053.03 and 29,610.09 is: 44,422.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,684.94 : 151,053.03 = 29,610.09 : x
  2. Step 2: Convert to fraction form
    100,684.94/151,053.03 = 29,610.09/x
  3. Step 3: Cross multiply
    100,684.94x = 151,053.03 × 29,610.09
  4. Step 4: Simplify right side
    100,684.94x = 4,472,693,813.07
  5. Step 5: Solve for x
    x = 4,472,693,813.07/100,684.94
  6. Step 6: Final answer
    x = 44,422.67

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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.