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Finding the Fourth Proportional to 11,970,007.80, 16,800,526.20 and 11,970,007.80

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Solution

The fourth proportional to 11,970,007.80, 16,800,526.20 and 11,970,007.80 is: 16,800,526.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,970,007.80 : 16,800,526.20 = 11,970,007.80 : x
  2. Step 2: Convert to fraction form
    11,970,007.80/16,800,526.20 = 11,970,007.80/x
  3. Step 3: Cross multiply
    11,970,007.80x = 16,800,526.20 × 11,970,007.80
  4. Step 4: Simplify right side
    11,970,007.80x = 201,102,429,658,104.38
  5. Step 5: Solve for x
    x = 201,102,429,658,104.38/11,970,007.80
  6. Step 6: Final answer
    x = 16,800,526.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.