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Finding the Fourth Proportional to 169,486.24, 254,230.80 and 43,126.60

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Solution

The fourth proportional to 169,486.24, 254,230.80 and 43,126.60 is: 64,690.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,486.24 : 254,230.80 = 43,126.60 : x
  2. Step 2: Convert to fraction form
    169,486.24/254,230.80 = 43,126.60/x
  3. Step 3: Cross multiply
    169,486.24x = 254,230.80 × 43,126.60
  4. Step 4: Simplify right side
    169,486.24x = 10,964,110,019.28
  5. Step 5: Solve for x
    x = 10,964,110,019.28/169,486.24
  6. Step 6: Final answer
    x = 64,690.27

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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.