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Finding the Fourth Proportional to 119,693.67, 179,521.06 and 56,513.67

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Solution

The fourth proportional to 119,693.67, 179,521.06 and 56,513.67 is: 84,761.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,693.67 : 179,521.06 = 56,513.67 : x
  2. Step 2: Convert to fraction form
    119,693.67/179,521.06 = 56,513.67/x
  3. Step 3: Cross multiply
    119,693.67x = 179,521.06 × 56,513.67
  4. Step 4: Simplify right side
    119,693.67x = 10,145,393,234.37
  5. Step 5: Solve for x
    x = 10,145,393,234.37/119,693.67
  6. Step 6: Final answer
    x = 84,761.32

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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.