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Finding the Fourth Proportional to 117,246.72, 175,870.19 and 82,342.20

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Solution

The fourth proportional to 117,246.72, 175,870.19 and 82,342.20 is: 123,513.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,246.72 : 175,870.19 = 82,342.20 : x
  2. Step 2: Convert to fraction form
    117,246.72/175,870.19 = 82,342.20/x
  3. Step 3: Cross multiply
    117,246.72x = 175,870.19 × 82,342.20
  4. Step 4: Simplify right side
    117,246.72x = 14,481,538,359.02
  5. Step 5: Solve for x
    x = 14,481,538,359.02/117,246.72
  6. Step 6: Final answer
    x = 123,513.38

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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.