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Finding the Fourth Proportional to 200,283.64, 300,425.52 and 60,042.28

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Solution

The fourth proportional to 200,283.64, 300,425.52 and 60,042.28 is: 90,063.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,283.64 : 300,425.52 = 60,042.28 : x
  2. Step 2: Convert to fraction form
    200,283.64/300,425.52 = 60,042.28/x
  3. Step 3: Cross multiply
    200,283.64x = 300,425.52 × 60,042.28
  4. Step 4: Simplify right side
    200,283.64x = 18,038,233,190.99
  5. Step 5: Solve for x
    x = 18,038,233,190.99/200,283.64
  6. Step 6: Final answer
    x = 90,063.44

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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.