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Finding the Fourth Proportional to 339,140.16, 468,019.31 and 186,192.59

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Solution

The fourth proportional to 339,140.16, 468,019.31 and 186,192.59 is: 256,949.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,140.16 : 468,019.31 = 186,192.59 : x
  2. Step 2: Convert to fraction form
    339,140.16/468,019.31 = 186,192.59/x
  3. Step 3: Cross multiply
    339,140.16x = 468,019.31 × 186,192.59
  4. Step 4: Simplify right side
    339,140.16x = 87,141,724,227.85
  5. Step 5: Solve for x
    x = 87,141,724,227.85/339,140.16
  6. Step 6: Final answer
    x = 256,949.00

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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.