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Finding the Fourth Proportional to 188,772.21, 282,826.15 and 177,534.45

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Solution

The fourth proportional to 188,772.21, 282,826.15 and 177,534.45 is: 265,989.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,772.21 : 282,826.15 = 177,534.45 : x
  2. Step 2: Convert to fraction form
    188,772.21/282,826.15 = 177,534.45/x
  3. Step 3: Cross multiply
    188,772.21x = 282,826.15 × 177,534.45
  4. Step 4: Simplify right side
    188,772.21x = 50,211,384,542.03
  5. Step 5: Solve for x
    x = 50,211,384,542.03/188,772.21
  6. Step 6: Final answer
    x = 265,989.28

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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.