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Finding the Fourth Proportional to 158,619.88, 237,912.54 and 65,125.90

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Solution

The fourth proportional to 158,619.88, 237,912.54 and 65,125.90 is: 97,681.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,619.88 : 237,912.54 = 65,125.90 : x
  2. Step 2: Convert to fraction form
    158,619.88/237,912.54 = 65,125.90/x
  3. Step 3: Cross multiply
    158,619.88x = 237,912.54 × 65,125.90
  4. Step 4: Simplify right side
    158,619.88x = 15,494,268,288.79
  5. Step 5: Solve for x
    x = 15,494,268,288.79/158,619.88
  6. Step 6: Final answer
    x = 97,681.76

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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.