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Finding the Fourth Proportional to 119,506.72, 179,285.94 and 36,398.56

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Solution

The fourth proportional to 119,506.72, 179,285.94 and 36,398.56 is: 54,605.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,506.72 : 179,285.94 = 36,398.56 : x
  2. Step 2: Convert to fraction form
    119,506.72/179,285.94 = 36,398.56/x
  3. Step 3: Cross multiply
    119,506.72x = 179,285.94 × 36,398.56
  4. Step 4: Simplify right side
    119,506.72x = 6,525,750,044.25
  5. Step 5: Solve for x
    x = 6,525,750,044.25/119,506.72
  6. Step 6: Final answer
    x = 54,605.72

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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.