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Finding the Fourth Proportional to 137,848.30, 206,808.45 and 44,356.30

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Solution

The fourth proportional to 137,848.30, 206,808.45 and 44,356.30 is: 66,546.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,848.30 : 206,808.45 = 44,356.30 : x
  2. Step 2: Convert to fraction form
    137,848.30/206,808.45 = 44,356.30/x
  3. Step 3: Cross multiply
    137,848.30x = 206,808.45 × 44,356.30
  4. Step 4: Simplify right side
    137,848.30x = 9,173,257,650.74
  5. Step 5: Solve for x
    x = 9,173,257,650.74/137,848.30
  6. Step 6: Final answer
    x = 66,546.03

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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.