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Finding the Fourth Proportional to 132,356.72, 182,694.84 and 84,738.32

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Solution

The fourth proportional to 132,356.72, 182,694.84 and 84,738.32 is: 116,966.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,356.72 : 182,694.84 = 84,738.32 : x
  2. Step 2: Convert to fraction form
    132,356.72/182,694.84 = 84,738.32/x
  3. Step 3: Cross multiply
    132,356.72x = 182,694.84 × 84,738.32
  4. Step 4: Simplify right side
    132,356.72x = 15,481,253,814.27
  5. Step 5: Solve for x
    x = 15,481,253,814.27/132,356.72
  6. Step 6: Final answer
    x = 116,966.13

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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.