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Finding the Fourth Proportional to 178,215.68, 245,942.80 and 97,650.24

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Solution

The fourth proportional to 178,215.68, 245,942.80 and 97,650.24 is: 134,760.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,215.68 : 245,942.80 = 97,650.24 : x
  2. Step 2: Convert to fraction form
    178,215.68/245,942.80 = 97,650.24/x
  3. Step 3: Cross multiply
    178,215.68x = 245,942.80 × 97,650.24
  4. Step 4: Simplify right side
    178,215.68x = 24,016,373,446.27
  5. Step 5: Solve for x
    x = 24,016,373,446.27/178,215.68
  6. Step 6: Final answer
    x = 134,760.16

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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.