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Finding the Fourth Proportional to 119,669.68, 179,525.84 and 39,712.44

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Solution

The fourth proportional to 119,669.68, 179,525.84 and 39,712.44 is: 59,575.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,669.68 : 179,525.84 = 39,712.44 : x
  2. Step 2: Convert to fraction form
    119,669.68/179,525.84 = 39,712.44/x
  3. Step 3: Cross multiply
    119,669.68x = 179,525.84 × 39,712.44
  4. Step 4: Simplify right side
    119,669.68x = 7,129,409,149.45
  5. Step 5: Solve for x
    x = 7,129,409,149.45/119,669.68
  6. Step 6: Final answer
    x = 59,575.74

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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.