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Finding the Fourth Proportional to 119,667.72, 179,118 and 79,594.32

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Solution

The fourth proportional to 119,667.72, 179,118 and 79,594.32 is: 119,136.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,667.72 : 179,118 = 79,594.32 : x
  2. Step 2: Convert to fraction form
    119,667.72/179,118 = 79,594.32/x
  3. Step 3: Cross multiply
    119,667.72x = 179,118 × 79,594.32
  4. Step 4: Simplify right side
    119,667.72x = 14,256,775,409.76
  5. Step 5: Solve for x
    x = 14,256,775,409.76/119,667.72
  6. Step 6: Final answer
    x = 119,136.35

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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.