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Finding the Fourth Proportional to 117,735.93, 176,648.45 and 54,586.31

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Solution

The fourth proportional to 117,735.93, 176,648.45 and 54,586.31 is: 81,900.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,735.93 : 176,648.45 = 54,586.31 : x
  2. Step 2: Convert to fraction form
    117,735.93/176,648.45 = 54,586.31/x
  3. Step 3: Cross multiply
    117,735.93x = 176,648.45 × 54,586.31
  4. Step 4: Simplify right side
    117,735.93x = 9,642,585,896.55
  5. Step 5: Solve for x
    x = 9,642,585,896.55/117,735.93
  6. Step 6: Final answer
    x = 81,900.11

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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.