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Finding the Fourth Proportional to 277,752.31, 416,650.07 and 90,782.71

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Solution

The fourth proportional to 277,752.31, 416,650.07 and 90,782.71 is: 136,181.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,752.31 : 416,650.07 = 90,782.71 : x
  2. Step 2: Convert to fraction form
    277,752.31/416,650.07 = 90,782.71/x
  3. Step 3: Cross multiply
    277,752.31x = 416,650.07 × 90,782.71
  4. Step 4: Simplify right side
    277,752.31x = 37,824,622,476.29
  5. Step 5: Solve for x
    x = 37,824,622,476.29/277,752.31
  6. Step 6: Final answer
    x = 136,181.13

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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.