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Finding the Fourth Proportional to 180,999.01, 271,055.43 and 127,559.65

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Solution

The fourth proportional to 180,999.01, 271,055.43 and 127,559.65 is: 191,027.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,999.01 : 271,055.43 = 127,559.65 : x
  2. Step 2: Convert to fraction form
    180,999.01/271,055.43 = 127,559.65/x
  3. Step 3: Cross multiply
    180,999.01x = 271,055.43 × 127,559.65
  4. Step 4: Simplify right side
    180,999.01x = 34,575,735,781.40
  5. Step 5: Solve for x
    x = 34,575,735,781.40/180,999.01
  6. Step 6: Final answer
    x = 191,027.21

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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.