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Finding the Fourth Proportional to 204,810.76, 307,251.32 and 62,652.60

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Solution

The fourth proportional to 204,810.76, 307,251.32 and 62,652.60 is: 93,989.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,810.76 : 307,251.32 = 62,652.60 : x
  2. Step 2: Convert to fraction form
    204,810.76/307,251.32 = 62,652.60/x
  3. Step 3: Cross multiply
    204,810.76x = 307,251.32 × 62,652.60
  4. Step 4: Simplify right side
    204,810.76x = 19,250,094,051.43
  5. Step 5: Solve for x
    x = 19,250,094,051.43/204,810.76
  6. Step 6: Final answer
    x = 93,989.66

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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.