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Finding the Fourth Proportional to 200,793.13, 301,281.59 and 86,975.72

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Solution

The fourth proportional to 200,793.13, 301,281.59 and 86,975.72 is: 130,503.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,793.13 : 301,281.59 = 86,975.72 : x
  2. Step 2: Convert to fraction form
    200,793.13/301,281.59 = 86,975.72/x
  3. Step 3: Cross multiply
    200,793.13x = 301,281.59 × 86,975.72
  4. Step 4: Simplify right side
    200,793.13x = 26,204,181,924.03
  5. Step 5: Solve for x
    x = 26,204,181,924.03/200,793.13
  6. Step 6: Final answer
    x = 130,503.38

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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.