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Finding the Fourth Proportional to 117,450.51, 162,081.71 and 63,735.53

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Solution

The fourth proportional to 117,450.51, 162,081.71 and 63,735.53 is: 87,955.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,450.51 : 162,081.71 = 63,735.53 : x
  2. Step 2: Convert to fraction form
    117,450.51/162,081.71 = 63,735.53/x
  3. Step 3: Cross multiply
    117,450.51x = 162,081.71 × 63,735.53
  4. Step 4: Simplify right side
    117,450.51x = 10,330,363,076.68
  5. Step 5: Solve for x
    x = 10,330,363,076.68/117,450.51
  6. Step 6: Final answer
    x = 87,955.03

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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.