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Finding the Fourth Proportional to 124,950.80, 187,435.92 and 36,205.58

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Solution

The fourth proportional to 124,950.80, 187,435.92 and 36,205.58 is: 54,311.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,950.80 : 187,435.92 = 36,205.58 : x
  2. Step 2: Convert to fraction form
    124,950.80/187,435.92 = 36,205.58/x
  3. Step 3: Cross multiply
    124,950.80x = 187,435.92 × 36,205.58
  4. Step 4: Simplify right side
    124,950.80x = 6,786,226,196.43
  5. Step 5: Solve for x
    x = 6,786,226,196.43/124,950.80
  6. Step 6: Final answer
    x = 54,311.19

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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.