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Finding the Fourth Proportional to 119,093.67, 178,526.79 and 44,193.78

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Solution

The fourth proportional to 119,093.67, 178,526.79 and 44,193.78 is: 66,248.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,093.67 : 178,526.79 = 44,193.78 : x
  2. Step 2: Convert to fraction form
    119,093.67/178,526.79 = 44,193.78/x
  3. Step 3: Cross multiply
    119,093.67x = 178,526.79 × 44,193.78
  4. Step 4: Simplify right side
    119,093.67x = 7,889,773,681.37
  5. Step 5: Solve for x
    x = 7,889,773,681.37/119,093.67
  6. Step 6: Final answer
    x = 66,248.47

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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.