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Finding the Fourth Proportional to 117,315.01, 161,894.93 and 63,600.26

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Solution

The fourth proportional to 117,315.01, 161,894.93 and 63,600.26 is: 87,768.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,315.01 : 161,894.93 = 63,600.26 : x
  2. Step 2: Convert to fraction form
    117,315.01/161,894.93 = 63,600.26/x
  3. Step 3: Cross multiply
    117,315.01x = 161,894.93 × 63,600.26
  4. Step 4: Simplify right side
    117,315.01x = 10,296,559,640.68
  5. Step 5: Solve for x
    x = 10,296,559,640.68/117,315.01
  6. Step 6: Final answer
    x = 87,768.48

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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.