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Finding the Fourth Proportional to 205,471.29, 308,235.88 and 63,328.06

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Solution

The fourth proportional to 205,471.29, 308,235.88 and 63,328.06 is: 95,001.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,471.29 : 308,235.88 = 63,328.06 : x
  2. Step 2: Convert to fraction form
    205,471.29/308,235.88 = 63,328.06/x
  3. Step 3: Cross multiply
    205,471.29x = 308,235.88 × 63,328.06
  4. Step 4: Simplify right side
    205,471.29x = 19,519,978,444.97
  5. Step 5: Solve for x
    x = 19,519,978,444.97/205,471.29
  6. Step 6: Final answer
    x = 95,001.00

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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.