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Finding the Fourth Proportional to 200,253.99, 300,342.69 and 60,012.61

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Solution

The fourth proportional to 200,253.99, 300,342.69 and 60,012.61 is: 90,007.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,253.99 : 300,342.69 = 60,012.61 : x
  2. Step 2: Convert to fraction form
    200,253.99/300,342.69 = 60,012.61/x
  3. Step 3: Cross multiply
    200,253.99x = 300,342.69 × 60,012.61
  4. Step 4: Simplify right side
    200,253.99x = 18,024,348,721.32
  5. Step 5: Solve for x
    x = 18,024,348,721.32/200,253.99
  6. Step 6: Final answer
    x = 90,007.44

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1.5x scale

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.