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Finding the Fourth Proportional to 107,259.89, 160,790.49 and 39,754.33

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Solution

The fourth proportional to 107,259.89, 160,790.49 and 39,754.33 is: 59,594.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,259.89 : 160,790.49 = 39,754.33 : x
  2. Step 2: Convert to fraction form
    107,259.89/160,790.49 = 39,754.33/x
  3. Step 3: Cross multiply
    107,259.89x = 160,790.49 × 39,754.33
  4. Step 4: Simplify right side
    107,259.89x = 6,392,117,798.35
  5. Step 5: Solve for x
    x = 6,392,117,798.35/107,259.89
  6. Step 6: Final answer
    x = 59,594.67

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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.