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Finding the Fourth Proportional to 118,424.62, 177,629.64 and 39,532.24

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Solution

The fourth proportional to 118,424.62, 177,629.64 and 39,532.24 is: 59,295.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,424.62 : 177,629.64 = 39,532.24 : x
  2. Step 2: Convert to fraction form
    118,424.62/177,629.64 = 39,532.24/x
  3. Step 3: Cross multiply
    118,424.62x = 177,629.64 × 39,532.24
  4. Step 4: Simplify right side
    118,424.62x = 7,022,097,559.59
  5. Step 5: Solve for x
    x = 7,022,097,559.59/118,424.62
  6. Step 6: Final answer
    x = 59,295.93

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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.