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Finding the Fourth Proportional to 132,052.95, 198,137.88 and 53,320.95

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Solution

The fourth proportional to 132,052.95, 198,137.88 and 53,320.95 is: 80,005.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,052.95 : 198,137.88 = 53,320.95 : x
  2. Step 2: Convert to fraction form
    132,052.95/198,137.88 = 53,320.95/x
  3. Step 3: Cross multiply
    132,052.95x = 198,137.88 × 53,320.95
  4. Step 4: Simplify right side
    132,052.95x = 10,564,899,992.59
  5. Step 5: Solve for x
    x = 10,564,899,992.59/132,052.95
  6. Step 6: Final answer
    x = 80,005.03

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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.