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Finding the Fourth Proportional to 255,755.01, 352,933.82 and 141,038.49

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Solution

The fourth proportional to 255,755.01, 352,933.82 and 141,038.49 is: 194,628.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,755.01 : 352,933.82 = 141,038.49 : x
  2. Step 2: Convert to fraction form
    255,755.01/352,933.82 = 141,038.49/x
  3. Step 3: Cross multiply
    255,755.01x = 352,933.82 × 141,038.49
  4. Step 4: Simplify right side
    255,755.01x = 49,777,251,542.93
  5. Step 5: Solve for x
    x = 49,777,251,542.93/255,755.01
  6. Step 6: Final answer
    x = 194,628.65

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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.