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Finding the Fourth Proportional to 132,079.62, 198,115.86 and 37,316.32

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Solution

The fourth proportional to 132,079.62, 198,115.86 and 37,316.32 is: 55,973.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,079.62 : 198,115.86 = 37,316.32 : x
  2. Step 2: Convert to fraction form
    132,079.62/198,115.86 = 37,316.32/x
  3. Step 3: Cross multiply
    132,079.62x = 198,115.86 × 37,316.32
  4. Step 4: Simplify right side
    132,079.62x = 7,392,954,828.84
  5. Step 5: Solve for x
    x = 7,392,954,828.84/132,079.62
  6. Step 6: Final answer
    x = 55,973.47

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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.