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Finding the Fourth Proportional to 159,692.99, 239,041.25 and 117,620.58

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Solution

The fourth proportional to 159,692.99, 239,041.25 and 117,620.58 is: 176,063.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,692.99 : 239,041.25 = 117,620.58 : x
  2. Step 2: Convert to fraction form
    159,692.99/239,041.25 = 117,620.58/x
  3. Step 3: Cross multiply
    159,692.99x = 239,041.25 × 117,620.58
  4. Step 4: Simplify right side
    159,692.99x = 28,116,169,880.82
  5. Step 5: Solve for x
    x = 28,116,169,880.82/159,692.99
  6. Step 6: Final answer
    x = 176,063.89

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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.