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Finding the Fourth Proportional to 200,839.93, 301,258.59 and 51,078.93

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Solution

The fourth proportional to 200,839.93, 301,258.59 and 51,078.93 is: 76,618.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,839.93 : 301,258.59 = 51,078.93 : x
  2. Step 2: Convert to fraction form
    200,839.93/301,258.59 = 51,078.93/x
  3. Step 3: Cross multiply
    200,839.93x = 301,258.59 × 51,078.93
  4. Step 4: Simplify right side
    200,839.93x = 15,387,966,243.85
  5. Step 5: Solve for x
    x = 15,387,966,243.85/200,839.93
  6. Step 6: Final answer
    x = 76,618.06

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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.