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Finding the Fourth Proportional to 84,802.51, 127,203.75 and 49,723.03

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Solution

The fourth proportional to 84,802.51, 127,203.75 and 49,723.03 is: 74,584.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,802.51 : 127,203.75 = 49,723.03 : x
  2. Step 2: Convert to fraction form
    84,802.51/127,203.75 = 49,723.03/x
  3. Step 3: Cross multiply
    84,802.51x = 127,203.75 × 49,723.03
  4. Step 4: Simplify right side
    84,802.51x = 6,324,955,877.36
  5. Step 5: Solve for x
    x = 6,324,955,877.36/84,802.51
  6. Step 6: Final answer
    x = 74,584.54

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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.