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Finding the Fourth Proportional to 118,482.33, 177,723.50 and 39,596.56

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Solution

The fourth proportional to 118,482.33, 177,723.50 and 39,596.56 is: 59,394.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,482.33 : 177,723.50 = 39,596.56 : x
  2. Step 2: Convert to fraction form
    118,482.33/177,723.50 = 39,596.56/x
  3. Step 3: Cross multiply
    118,482.33x = 177,723.50 × 39,596.56
  4. Step 4: Simplify right side
    118,482.33x = 7,037,239,231.16
  5. Step 5: Solve for x
    x = 7,037,239,231.16/118,482.33
  6. Step 6: Final answer
    x = 59,394.84

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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.