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Finding the Fourth Proportional to 61,859.23, 93,252.39 and 57,739.62

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Solution

The fourth proportional to 61,859.23, 93,252.39 and 57,739.62 is: 87,042.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,859.23 : 93,252.39 = 57,739.62 : x
  2. Step 2: Convert to fraction form
    61,859.23/93,252.39 = 57,739.62/x
  3. Step 3: Cross multiply
    61,859.23x = 93,252.39 × 57,739.62
  4. Step 4: Simplify right side
    61,859.23x = 5,384,356,996.47
  5. Step 5: Solve for x
    x = 5,384,356,996.47/61,859.23
  6. Step 6: Final answer
    x = 87,042.10

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.