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Finding the Fourth Proportional to 127,525.51, 176,024.51 and 82,203.58

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Solution

The fourth proportional to 127,525.51, 176,024.51 and 82,203.58 is: 113,466.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,525.51 : 176,024.51 = 82,203.58 : x
  2. Step 2: Convert to fraction form
    127,525.51/176,024.51 = 82,203.58/x
  3. Step 3: Cross multiply
    127,525.51x = 176,024.51 × 82,203.58
  4. Step 4: Simplify right side
    127,525.51x = 14,469,844,889.75
  5. Step 5: Solve for x
    x = 14,469,844,889.75/127,525.51
  6. Step 6: Final answer
    x = 113,466.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.