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Finding the Fourth Proportional to 132,397.44, 182,662.56 and 84,678.72

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Solution

The fourth proportional to 132,397.44, 182,662.56 and 84,678.72 is: 116,827.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,397.44 : 182,662.56 = 84,678.72 : x
  2. Step 2: Convert to fraction form
    132,397.44/182,662.56 = 84,678.72/x
  3. Step 3: Cross multiply
    132,397.44x = 182,662.56 × 84,678.72
  4. Step 4: Simplify right side
    132,397.44x = 15,467,631,772.72
  5. Step 5: Solve for x
    x = 15,467,631,772.72/132,397.44
  6. Step 6: Final answer
    x = 116,827.27

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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.