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Finding the Fourth Proportional to 169,241.40, 253,862.10 and 122,002.20

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Solution

The fourth proportional to 169,241.40, 253,862.10 and 122,002.20 is: 183,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,241.40 : 253,862.10 = 122,002.20 : x
  2. Step 2: Convert to fraction form
    169,241.40/253,862.10 = 122,002.20/x
  3. Step 3: Cross multiply
    169,241.40x = 253,862.10 × 122,002.20
  4. Step 4: Simplify right side
    169,241.40x = 30,971,734,696.62
  5. Step 5: Solve for x
    x = 30,971,734,696.62/169,241.40
  6. Step 6: Final answer
    x = 183,003.30

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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.