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Finding the Fourth Proportional to 114,615.54, 158,170.05 and 63,629.01

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Solution

The fourth proportional to 114,615.54, 158,170.05 and 63,629.01 is: 87,808.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,615.54 : 158,170.05 = 63,629.01 : x
  2. Step 2: Convert to fraction form
    114,615.54/158,170.05 = 63,629.01/x
  3. Step 3: Cross multiply
    114,615.54x = 158,170.05 × 63,629.01
  4. Step 4: Simplify right side
    114,615.54x = 10,064,203,693.15
  5. Step 5: Solve for x
    x = 10,064,203,693.15/114,615.54
  6. Step 6: Final answer
    x = 87,808.37

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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.