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Finding the Fourth Proportional to 178,516.27, 246,368.40 and 97,959.49

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Solution

The fourth proportional to 178,516.27, 246,368.40 and 97,959.49 is: 135,192.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,516.27 : 246,368.40 = 97,959.49 : x
  2. Step 2: Convert to fraction form
    178,516.27/246,368.40 = 97,959.49/x
  3. Step 3: Cross multiply
    178,516.27x = 246,368.40 × 97,959.49
  4. Step 4: Simplify right side
    178,516.27x = 24,134,122,816.12
  5. Step 5: Solve for x
    x = 24,134,122,816.12/178,516.27
  6. Step 6: Final answer
    x = 135,192.85

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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.