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Finding the Fourth Proportional to 206,673, 310,012.38 and 58,929

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Solution

The fourth proportional to 206,673, 310,012.38 and 58,929 is: 88,394.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,673 : 310,012.38 = 58,929 : x
  2. Step 2: Convert to fraction form
    206,673/310,012.38 = 58,929/x
  3. Step 3: Cross multiply
    206,673x = 310,012.38 × 58,929
  4. Step 4: Simplify right side
    206,673x = 18,268,719,541.02
  5. Step 5: Solve for x
    x = 18,268,719,541.02/206,673
  6. Step 6: Final answer
    x = 88,394.32

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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.