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Finding the Fourth Proportional to 82,632,185.73, 123,804,636.39 and 57,987,845.01

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Solution

The fourth proportional to 82,632,185.73, 123,804,636.39 and 57,987,845.01 is: 86,880,965.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,632,185.73 : 123,804,636.39 = 57,987,845.01 : x
  2. Step 2: Convert to fraction form
    82,632,185.73/123,804,636.39 = 57,987,845.01/x
  3. Step 3: Cross multiply
    82,632,185.73x = 123,804,636.39 × 57,987,845.01
  4. Step 4: Simplify right side
    82,632,185.73x = 7,179,164,066,502,726
  5. Step 5: Solve for x
    x = 7,179,164,066,502,726/82,632,185.73
  6. Step 6: Final answer
    x = 86,880,965.37

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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.