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Finding the Fourth Proportional to 119,264.37, 178,904.84 and 40,351.92

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Solution

The fourth proportional to 119,264.37, 178,904.84 and 40,351.92 is: 60,530.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,264.37 : 178,904.84 = 40,351.92 : x
  2. Step 2: Convert to fraction form
    119,264.37/178,904.84 = 40,351.92/x
  3. Step 3: Cross multiply
    119,264.37x = 178,904.84 × 40,351.92
  4. Step 4: Simplify right side
    119,264.37x = 7,219,153,589.53
  5. Step 5: Solve for x
    x = 7,219,153,589.53/119,264.37
  6. Step 6: Final answer
    x = 60,530.68

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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.