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Finding the Fourth Proportional to 236,042.82, 354,129.93 and 102,934.80

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Solution

The fourth proportional to 236,042.82, 354,129.93 and 102,934.80 is: 154,430.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,042.82 : 354,129.93 = 102,934.80 : x
  2. Step 2: Convert to fraction form
    236,042.82/354,129.93 = 102,934.80/x
  3. Step 3: Cross multiply
    236,042.82x = 354,129.93 × 102,934.80
  4. Step 4: Simplify right side
    236,042.82x = 36,452,293,518.56
  5. Step 5: Solve for x
    x = 36,452,293,518.56/236,042.82
  6. Step 6: Final answer
    x = 154,430.85

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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.