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Finding the Fourth Proportional to 169,503.16, 254,254.74 and 132,091.23

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Solution

The fourth proportional to 169,503.16, 254,254.74 and 132,091.23 is: 198,136.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,503.16 : 254,254.74 = 132,091.23 : x
  2. Step 2: Convert to fraction form
    169,503.16/254,254.74 = 132,091.23/x
  3. Step 3: Cross multiply
    169,503.16x = 254,254.74 × 132,091.23
  4. Step 4: Simplify right side
    169,503.16x = 33,584,819,408.20
  5. Step 5: Solve for x
    x = 33,584,819,408.20/169,503.16
  6. Step 6: Final answer
    x = 198,136.84

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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.