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Finding the Fourth Proportional to 70,008,400.80, 104,760,658.80 and 47,333,584.80

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Solution

The fourth proportional to 70,008,400.80, 104,760,658.80 and 47,333,584.80 is: 70,830,035.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,008,400.80 : 104,760,658.80 = 47,333,584.80 : x
  2. Step 2: Convert to fraction form
    70,008,400.80/104,760,658.80 = 47,333,584.80/x
  3. Step 3: Cross multiply
    70,008,400.80x = 104,760,658.80 × 47,333,584.80
  4. Step 4: Simplify right side
    70,008,400.80x = 4,958,697,527,013,666
  5. Step 5: Solve for x
    x = 4,958,697,527,013,666/70,008,400.80
  6. Step 6: Final answer
    x = 70,830,035.69

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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.