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Finding the Fourth Proportional to 117,998.40, 176,932.00 and 39,069.57

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Solution

The fourth proportional to 117,998.40, 176,932.00 and 39,069.57 is: 58,582.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,998.40 : 176,932.00 = 39,069.57 : x
  2. Step 2: Convert to fraction form
    117,998.40/176,932.00 = 39,069.57/x
  3. Step 3: Cross multiply
    117,998.40x = 176,932.00 × 39,069.57
  4. Step 4: Simplify right side
    117,998.40x = 6,912,657,651.81
  5. Step 5: Solve for x
    x = 6,912,657,651.81/117,998.40
  6. Step 6: Final answer
    x = 58,582.64

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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.