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Finding the Fourth Proportional to 158,597.20, 237,896.16 and 53,489.98

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Solution

The fourth proportional to 158,597.20, 237,896.16 and 53,489.98 is: 80,235.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,597.20 : 237,896.16 = 53,489.98 : x
  2. Step 2: Convert to fraction form
    158,597.20/237,896.16 = 53,489.98/x
  3. Step 3: Cross multiply
    158,597.20x = 237,896.16 × 53,489.98
  4. Step 4: Simplify right side
    158,597.20x = 12,725,060,840.48
  5. Step 5: Solve for x
    x = 12,725,060,840.48/158,597.20
  6. Step 6: Final answer
    x = 80,235.09

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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.