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Finding the Fourth Proportional to 271,901.80, 375,219.18 and 151,037.68

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Solution

The fourth proportional to 271,901.80, 375,219.18 and 151,037.68 is: 208,429.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,901.80 : 375,219.18 = 151,037.68 : x
  2. Step 2: Convert to fraction form
    271,901.80/375,219.18 = 151,037.68/x
  3. Step 3: Cross multiply
    271,901.80x = 375,219.18 × 151,037.68
  4. Step 4: Simplify right side
    271,901.80x = 56,672,234,438.70
  5. Step 5: Solve for x
    x = 56,672,234,438.70/271,901.80
  6. Step 6: Final answer
    x = 208,429.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.