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Finding the Fourth Proportional to 271,677.10, 407,515.65 and 159,411.10

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Solution

The fourth proportional to 271,677.10, 407,515.65 and 159,411.10 is: 239,116.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,677.10 : 407,515.65 = 159,411.10 : x
  2. Step 2: Convert to fraction form
    271,677.10/407,515.65 = 159,411.10/x
  3. Step 3: Cross multiply
    271,677.10x = 407,515.65 × 159,411.10
  4. Step 4: Simplify right side
    271,677.10x = 64,962,518,033.72
  5. Step 5: Solve for x
    x = 64,962,518,033.72/271,677.10
  6. Step 6: Final answer
    x = 239,116.65

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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.