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Finding the Fourth Proportional to 244,236.16, 366,492.80 and 103,980.16

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Solution

The fourth proportional to 244,236.16, 366,492.80 and 103,980.16 is: 156,029.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,236.16 : 366,492.80 = 103,980.16 : x
  2. Step 2: Convert to fraction form
    244,236.16/366,492.80 = 103,980.16/x
  3. Step 3: Cross multiply
    244,236.16x = 366,492.80 × 103,980.16
  4. Step 4: Simplify right side
    244,236.16x = 38,107,979,982.85
  5. Step 5: Solve for x
    x = 38,107,979,982.85/244,236.16
  6. Step 6: Final answer
    x = 156,029.23

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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.