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Finding the Fourth Proportional to 119,722.56, 179,609.82 and 59,783.28

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Solution

The fourth proportional to 119,722.56, 179,609.82 and 59,783.28 is: 89,687.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,722.56 : 179,609.82 = 59,783.28 : x
  2. Step 2: Convert to fraction form
    119,722.56/179,609.82 = 59,783.28/x
  3. Step 3: Cross multiply
    119,722.56x = 179,609.82 × 59,783.28
  4. Step 4: Simplify right side
    119,722.56x = 10,737,664,159.81
  5. Step 5: Solve for x
    x = 10,737,664,159.81/119,722.56
  6. Step 6: Final answer
    x = 89,687.89

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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.