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Finding the Fourth Proportional to 79,704,415.80, 119,556,623.70 and 22,205,561.40

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Solution

The fourth proportional to 79,704,415.80, 119,556,623.70 and 22,205,561.40 is: 33,308,342.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,704,415.80 : 119,556,623.70 = 22,205,561.40 : x
  2. Step 2: Convert to fraction form
    79,704,415.80/119,556,623.70 = 22,205,561.40/x
  3. Step 3: Cross multiply
    79,704,415.80x = 119,556,623.70 × 22,205,561.40
  4. Step 4: Simplify right side
    79,704,415.80x = 2,654,821,948,347,045
  5. Step 5: Solve for x
    x = 2,654,821,948,347,045/79,704,415.80
  6. Step 6: Final answer
    x = 33,308,342.10

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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.