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Finding the Fourth Proportional to 119,799.98, 179,768.64 and 48,709.50

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Solution

The fourth proportional to 119,799.98, 179,768.64 and 48,709.50 is: 73,092.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,799.98 : 179,768.64 = 48,709.50 : x
  2. Step 2: Convert to fraction form
    119,799.98/179,768.64 = 48,709.50/x
  3. Step 3: Cross multiply
    119,799.98x = 179,768.64 × 48,709.50
  4. Step 4: Simplify right side
    119,799.98x = 8,756,440,570.08
  5. Step 5: Solve for x
    x = 8,756,440,570.08/119,799.98
  6. Step 6: Final answer
    x = 73,092.17

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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.