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Finding the Fourth Proportional to 255,532.93, 382,937.85 and 141,731.17

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Solution

The fourth proportional to 255,532.93, 382,937.85 and 141,731.17 is: 212,396.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,532.93 : 382,937.85 = 141,731.17 : x
  2. Step 2: Convert to fraction form
    255,532.93/382,937.85 = 141,731.17/x
  3. Step 3: Cross multiply
    255,532.93x = 382,937.85 × 141,731.17
  4. Step 4: Simplify right side
    255,532.93x = 54,274,228,560.44
  5. Step 5: Solve for x
    x = 54,274,228,560.44/255,532.93
  6. Step 6: Final answer
    x = 212,396.22

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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.