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Finding the Fourth Proportional to 118,570.44, 177,855.66 and 47,525.28

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Solution

The fourth proportional to 118,570.44, 177,855.66 and 47,525.28 is: 71,287.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,570.44 : 177,855.66 = 47,525.28 : x
  2. Step 2: Convert to fraction form
    118,570.44/177,855.66 = 47,525.28/x
  3. Step 3: Cross multiply
    118,570.44x = 177,855.66 × 47,525.28
  4. Step 4: Simplify right side
    118,570.44x = 8,452,640,041.08
  5. Step 5: Solve for x
    x = 8,452,640,041.08/118,570.44
  6. Step 6: Final answer
    x = 71,287.92

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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.