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Finding the Fourth Proportional to 127,682.82, 176,203.50 and 71,095.41

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Solution

The fourth proportional to 127,682.82, 176,203.50 and 71,095.41 is: 98,112.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,682.82 : 176,203.50 = 71,095.41 : x
  2. Step 2: Convert to fraction form
    127,682.82/176,203.50 = 71,095.41/x
  3. Step 3: Cross multiply
    127,682.82x = 176,203.50 × 71,095.41
  4. Step 4: Simplify right side
    127,682.82x = 12,527,260,075.94
  5. Step 5: Solve for x
    x = 12,527,260,075.94/127,682.82
  6. Step 6: Final answer
    x = 98,112.34

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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.