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Finding the Fourth Proportional to 277,726.92, 416,540.70 and 127,961.16

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Solution

The fourth proportional to 277,726.92, 416,540.70 and 127,961.16 is: 191,918.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,726.92 : 416,540.70 = 127,961.16 : x
  2. Step 2: Convert to fraction form
    277,726.92/416,540.70 = 127,961.16/x
  3. Step 3: Cross multiply
    277,726.92x = 416,540.70 × 127,961.16
  4. Step 4: Simplify right side
    277,726.92x = 53,301,031,159.21
  5. Step 5: Solve for x
    x = 53,301,031,159.21/277,726.92
  6. Step 6: Final answer
    x = 191,918.85

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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.