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Finding the Fourth Proportional to 137,653.58, 206,436.63 and 93,563.66

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Solution

The fourth proportional to 137,653.58, 206,436.63 and 93,563.66 is: 140,315.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,653.58 : 206,436.63 = 93,563.66 : x
  2. Step 2: Convert to fraction form
    137,653.58/206,436.63 = 93,563.66/x
  3. Step 3: Cross multiply
    137,653.58x = 206,436.63 × 93,563.66
  4. Step 4: Simplify right side
    137,653.58x = 19,314,965,577.17
  5. Step 5: Solve for x
    x = 19,314,965,577.17/137,653.58
  6. Step 6: Final answer
    x = 140,315.76

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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.