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Finding the Fourth Proportional to 132,956.58, 199,434.87 and 54,052.32

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Solution

The fourth proportional to 132,956.58, 199,434.87 and 54,052.32 is: 81,078.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,956.58 : 199,434.87 = 54,052.32 : x
  2. Step 2: Convert to fraction form
    132,956.58/199,434.87 = 54,052.32/x
  3. Step 3: Cross multiply
    132,956.58x = 199,434.87 × 54,052.32
  4. Step 4: Simplify right side
    132,956.58x = 10,779,917,412.40
  5. Step 5: Solve for x
    x = 10,779,917,412.40/132,956.58
  6. Step 6: Final answer
    x = 81,078.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.