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Finding the Fourth Proportional to 119,804.09, 179,638.68 and 39,799.22

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Solution

The fourth proportional to 119,804.09, 179,638.68 and 39,799.22 is: 59,676.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,804.09 : 179,638.68 = 39,799.22 : x
  2. Step 2: Convert to fraction form
    119,804.09/179,638.68 = 39,799.22/x
  3. Step 3: Cross multiply
    119,804.09x = 179,638.68 × 39,799.22
  4. Step 4: Simplify right side
    119,804.09x = 7,149,478,447.64
  5. Step 5: Solve for x
    x = 7,149,478,447.64/119,804.09
  6. Step 6: Final answer
    x = 59,676.42

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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.