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Finding the Fourth Proportional to 118,525.74, 177,751.56 and 39,621.54

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Solution

The fourth proportional to 118,525.74, 177,751.56 and 39,621.54 is: 59,419.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,525.74 : 177,751.56 = 39,621.54 : x
  2. Step 2: Convert to fraction form
    118,525.74/177,751.56 = 39,621.54/x
  3. Step 3: Cross multiply
    118,525.74x = 177,751.56 × 39,621.54
  4. Step 4: Simplify right side
    118,525.74x = 7,042,790,544.60
  5. Step 5: Solve for x
    x = 7,042,790,544.60/118,525.74
  6. Step 6: Final answer
    x = 59,419.92

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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.