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Finding the Fourth Proportional to 255,240.29, 382,846.46 and 77,732.43

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Solution

The fourth proportional to 255,240.29, 382,846.46 and 77,732.43 is: 116,594.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,240.29 : 382,846.46 = 77,732.43 : x
  2. Step 2: Convert to fraction form
    255,240.29/382,846.46 = 77,732.43/x
  3. Step 3: Cross multiply
    255,240.29x = 382,846.46 × 77,732.43
  4. Step 4: Simplify right side
    255,240.29x = 29,759,585,264.04
  5. Step 5: Solve for x
    x = 29,759,585,264.04/255,240.29
  6. Step 6: Final answer
    x = 116,594.39

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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.