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Finding the Fourth Proportional to 117,575.91, 162,250.16 and 69,828.03

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Solution

The fourth proportional to 117,575.91, 162,250.16 and 69,828.03 is: 96,359.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,575.91 : 162,250.16 = 69,828.03 : x
  2. Step 2: Convert to fraction form
    117,575.91/162,250.16 = 69,828.03/x
  3. Step 3: Cross multiply
    117,575.91x = 162,250.16 × 69,828.03
  4. Step 4: Simplify right side
    117,575.91x = 11,329,608,690.84
  5. Step 5: Solve for x
    x = 11,329,608,690.84/117,575.91
  6. Step 6: Final answer
    x = 96,359.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.