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Finding the Fourth Proportional to 118,635.98, 177,953.98 and 39,750.36

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Solution

The fourth proportional to 118,635.98, 177,953.98 and 39,750.36 is: 59,625.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,635.98 : 177,953.98 = 39,750.36 : x
  2. Step 2: Convert to fraction form
    118,635.98/177,953.98 = 39,750.36/x
  3. Step 3: Cross multiply
    118,635.98x = 177,953.98 × 39,750.36
  4. Step 4: Simplify right side
    118,635.98x = 7,073,734,768.43
  5. Step 5: Solve for x
    x = 7,073,734,768.43/118,635.98
  6. Step 6: Final answer
    x = 59,625.54

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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.