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Finding the Fourth Proportional to 168,000.66, 252,037.86 and 123,492.48

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Solution

The fourth proportional to 168,000.66, 252,037.86 and 123,492.48 is: 185,265.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,000.66 : 252,037.86 = 123,492.48 : x
  2. Step 2: Convert to fraction form
    168,000.66/252,037.86 = 123,492.48/x
  3. Step 3: Cross multiply
    168,000.66x = 252,037.86 × 123,492.48
  4. Step 4: Simplify right side
    168,000.66x = 31,124,780,385.29
  5. Step 5: Solve for x
    x = 31,124,780,385.29/168,000.66
  6. Step 6: Final answer
    x = 185,265.82

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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.