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Finding the Fourth Proportional to 132,352.80, 198,529.20 and 73,303.80

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Solution

The fourth proportional to 132,352.80, 198,529.20 and 73,303.80 is: 109,955.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,352.80 : 198,529.20 = 73,303.80 : x
  2. Step 2: Convert to fraction form
    132,352.80/198,529.20 = 73,303.80/x
  3. Step 3: Cross multiply
    132,352.80x = 198,529.20 × 73,303.80
  4. Step 4: Simplify right side
    132,352.80x = 14,552,944,770.96
  5. Step 5: Solve for x
    x = 14,552,944,770.96/132,352.80
  6. Step 6: Final answer
    x = 109,955.70

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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.