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Finding the Fourth Proportional to 82,447,760.70, 123,662,783.70 and 21,863,486.70

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Solution

The fourth proportional to 82,447,760.70, 123,662,783.70 and 21,863,486.70 is: 32,792,881.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,447,760.70 : 123,662,783.70 = 21,863,486.70 : x
  2. Step 2: Convert to fraction form
    82,447,760.70/123,662,783.70 = 21,863,486.70/x
  3. Step 3: Cross multiply
    82,447,760.70x = 123,662,783.70 × 21,863,486.70
  4. Step 4: Simplify right side
    82,447,760.70x = 2,703,699,626,709,927
  5. Step 5: Solve for x
    x = 2,703,699,626,709,927/82,447,760.70
  6. Step 6: Final answer
    x = 32,792,881.26

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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.