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Finding the Fourth Proportional to 119,575.65, 179,373.80 and 30,828.40

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Solution

The fourth proportional to 119,575.65, 179,373.80 and 30,828.40 is: 46,245.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,575.65 : 179,373.80 = 30,828.40 : x
  2. Step 2: Convert to fraction form
    119,575.65/179,373.80 = 30,828.40/x
  3. Step 3: Cross multiply
    119,575.65x = 179,373.80 × 30,828.40
  4. Step 4: Simplify right side
    119,575.65x = 5,529,807,255.92
  5. Step 5: Solve for x
    x = 5,529,807,255.92/119,575.65
  6. Step 6: Final answer
    x = 46,245.26

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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.