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Finding the Fourth Proportional to 201,624.80, 302,546.55 and 83,308.10

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Solution

The fourth proportional to 201,624.80, 302,546.55 and 83,308.10 is: 125,007.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,624.80 : 302,546.55 = 83,308.10 : x
  2. Step 2: Convert to fraction form
    201,624.80/302,546.55 = 83,308.10/x
  3. Step 3: Cross multiply
    201,624.80x = 302,546.55 × 83,308.10
  4. Step 4: Simplify right side
    201,624.80x = 25,204,578,242.06
  5. Step 5: Solve for x
    x = 25,204,578,242.06/201,624.80
  6. Step 6: Final answer
    x = 125,007.33

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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.