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Finding the Fourth Proportional to 103,044.80, 154,567.20 and 50,556.80

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Solution

The fourth proportional to 103,044.80, 154,567.20 and 50,556.80 is: 75,835.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,044.80 : 154,567.20 = 50,556.80 : x
  2. Step 2: Convert to fraction form
    103,044.80/154,567.20 = 50,556.80/x
  3. Step 3: Cross multiply
    103,044.80x = 154,567.20 × 50,556.80
  4. Step 4: Simplify right side
    103,044.80x = 7,814,423,016.96
  5. Step 5: Solve for x
    x = 7,814,423,016.96/103,044.80
  6. Step 6: Final answer
    x = 75,835.20

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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.