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Finding the Fourth Proportional to 200,863.52, 301,287.99 and 60,618.50

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Solution

The fourth proportional to 200,863.52, 301,287.99 and 60,618.50 is: 90,925.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,863.52 : 301,287.99 = 60,618.50 : x
  2. Step 2: Convert to fraction form
    200,863.52/301,287.99 = 60,618.50/x
  3. Step 3: Cross multiply
    200,863.52x = 301,287.99 × 60,618.50
  4. Step 4: Simplify right side
    200,863.52x = 18,263,626,021.82
  5. Step 5: Solve for x
    x = 18,263,626,021.82/200,863.52
  6. Step 6: Final answer
    x = 90,925.55

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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.