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Finding the Fourth Proportional to 255,104.64, 352,044.40 and 141,927.36

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Solution

The fourth proportional to 255,104.64, 352,044.40 and 141,927.36 is: 195,859.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,104.64 : 352,044.40 = 141,927.36 : x
  2. Step 2: Convert to fraction form
    255,104.64/352,044.40 = 141,927.36/x
  3. Step 3: Cross multiply
    255,104.64x = 352,044.40 × 141,927.36
  4. Step 4: Simplify right side
    255,104.64x = 49,964,732,294.78
  5. Step 5: Solve for x
    x = 49,964,732,294.78/255,104.64
  6. Step 6: Final answer
    x = 195,859.76

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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.