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Finding the Fourth Proportional to 180,989.01, 271,040.43 and 127,549.65

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Solution

The fourth proportional to 180,989.01, 271,040.43 and 127,549.65 is: 191,012.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,989.01 : 271,040.43 = 127,549.65 : x
  2. Step 2: Convert to fraction form
    180,989.01/271,040.43 = 127,549.65/x
  3. Step 3: Cross multiply
    180,989.01x = 271,040.43 × 127,549.65
  4. Step 4: Simplify right side
    180,989.01x = 34,571,111,982.35
  5. Step 5: Solve for x
    x = 34,571,111,982.35/180,989.01
  6. Step 6: Final answer
    x = 191,012.22

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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.