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Finding the Fourth Proportional to 204,816.76, 307,276.98 and 57,072.76

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Solution

The fourth proportional to 204,816.76, 307,276.98 and 57,072.76 is: 85,623.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,816.76 : 307,276.98 = 57,072.76 : x
  2. Step 2: Convert to fraction form
    204,816.76/307,276.98 = 57,072.76/x
  3. Step 3: Cross multiply
    204,816.76x = 307,276.98 × 57,072.76
  4. Step 4: Simplify right side
    204,816.76x = 17,537,145,333.06
  5. Step 5: Solve for x
    x = 17,537,145,333.06/204,816.76
  6. Step 6: Final answer
    x = 85,623.59

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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.