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Finding the Fourth Proportional to 63,888.75, 95,917.95 and 54,588.51

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Solution

The fourth proportional to 63,888.75, 95,917.95 and 54,588.51 is: 81,955.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,888.75 : 95,917.95 = 54,588.51 : x
  2. Step 2: Convert to fraction form
    63,888.75/95,917.95 = 54,588.51/x
  3. Step 3: Cross multiply
    63,888.75x = 95,917.95 × 54,588.51
  4. Step 4: Simplify right side
    63,888.75x = 5,236,017,972.75
  5. Step 5: Solve for x
    x = 5,236,017,972.75/63,888.75
  6. Step 6: Final answer
    x = 81,955.24

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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.