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Finding the Fourth Proportional to 178,391.92, 246,175.32 and 97,817.32

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Solution

The fourth proportional to 178,391.92, 246,175.32 and 97,817.32 is: 134,984.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,391.92 : 246,175.32 = 97,817.32 : x
  2. Step 2: Convert to fraction form
    178,391.92/246,175.32 = 97,817.32/x
  3. Step 3: Cross multiply
    178,391.92x = 246,175.32 × 97,817.32
  4. Step 4: Simplify right side
    178,391.92x = 24,080,210,052.54
  5. Step 5: Solve for x
    x = 24,080,210,052.54/178,391.92
  6. Step 6: Final answer
    x = 134,984.87

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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.