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Finding the Fourth Proportional to 271,891.52, 375,220.82 and 151,041.96

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Solution

The fourth proportional to 271,891.52, 375,220.82 and 151,041.96 is: 208,443.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,891.52 : 375,220.82 = 151,041.96 : x
  2. Step 2: Convert to fraction form
    271,891.52/375,220.82 = 151,041.96/x
  3. Step 3: Cross multiply
    271,891.52x = 375,220.82 × 151,041.96
  4. Step 4: Simplify right side
    271,891.52x = 56,674,088,085.61
  5. Step 5: Solve for x
    x = 56,674,088,085.61/271,891.52
  6. Step 6: Final answer
    x = 208,443.75

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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.