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Finding the Fourth Proportional to 356,092.80, 534,441.60 and 145,881.60

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Solution

The fourth proportional to 356,092.80, 534,441.60 and 145,881.60 is: 218,946.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,092.80 : 534,441.60 = 145,881.60 : x
  2. Step 2: Convert to fraction form
    356,092.80/534,441.60 = 145,881.60/x
  3. Step 3: Cross multiply
    356,092.80x = 534,441.60 × 145,881.60
  4. Step 4: Simplify right side
    356,092.80x = 77,965,195,714.56
  5. Step 5: Solve for x
    x = 77,965,195,714.56/356,092.80
  6. Step 6: Final answer
    x = 218,946.29

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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.