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Finding the Fourth Proportional to 136,556.70, 204,835.04 and 43,069.74

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Solution

The fourth proportional to 136,556.70, 204,835.04 and 43,069.74 is: 64,604.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,556.70 : 204,835.04 = 43,069.74 : x
  2. Step 2: Convert to fraction form
    136,556.70/204,835.04 = 43,069.74/x
  3. Step 3: Cross multiply
    136,556.70x = 204,835.04 × 43,069.74
  4. Step 4: Simplify right side
    136,556.70x = 8,822,190,999.19
  5. Step 5: Solve for x
    x = 8,822,190,999.19/136,556.70
  6. Step 6: Final answer
    x = 64,604.60

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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.