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Finding the Fourth Proportional to 158,684.16, 238,023.72 and 63,912.12

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Solution

The fourth proportional to 158,684.16, 238,023.72 and 63,912.12 is: 95,867.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,684.16 : 238,023.72 = 63,912.12 : x
  2. Step 2: Convert to fraction form
    158,684.16/238,023.72 = 63,912.12/x
  3. Step 3: Cross multiply
    158,684.16x = 238,023.72 × 63,912.12
  4. Step 4: Simplify right side
    158,684.16x = 15,212,599,662.90
  5. Step 5: Solve for x
    x = 15,212,599,662.90/158,684.16
  6. Step 6: Final answer
    x = 95,867.16

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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.