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Finding the Fourth Proportional to 178,951.37, 246,949.61 and 98,378.16

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Solution

The fourth proportional to 178,951.37, 246,949.61 and 98,378.16 is: 135,760.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,951.37 : 246,949.61 = 98,378.16 : x
  2. Step 2: Convert to fraction form
    178,951.37/246,949.61 = 98,378.16/x
  3. Step 3: Cross multiply
    178,951.37x = 246,949.61 × 98,378.16
  4. Step 4: Simplify right side
    178,951.37x = 24,294,447,752.63
  5. Step 5: Solve for x
    x = 24,294,447,752.63/178,951.37
  6. Step 6: Final answer
    x = 135,760.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.