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Finding the Fourth Proportional to 356,663.76, 534,990.33 and 86,794.44

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Solution

The fourth proportional to 356,663.76, 534,990.33 and 86,794.44 is: 130,190.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,663.76 : 534,990.33 = 86,794.44 : x
  2. Step 2: Convert to fraction form
    356,663.76/534,990.33 = 86,794.44/x
  3. Step 3: Cross multiply
    356,663.76x = 534,990.33 × 86,794.44
  4. Step 4: Simplify right side
    356,663.76x = 46,434,186,097.77
  5. Step 5: Solve for x
    x = 46,434,186,097.77/356,663.76
  6. Step 6: Final answer
    x = 130,190.37

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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.