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Finding the Fourth Proportional to 158,281, 237,418.80 and 39,951.48

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Solution

The fourth proportional to 158,281, 237,418.80 and 39,951.48 is: 59,926.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,281 : 237,418.80 = 39,951.48 : x
  2. Step 2: Convert to fraction form
    158,281/237,418.80 = 39,951.48/x
  3. Step 3: Cross multiply
    158,281x = 237,418.80 × 39,951.48
  4. Step 4: Simplify right side
    158,281x = 9,485,232,439.82
  5. Step 5: Solve for x
    x = 9,485,232,439.82/158,281
  6. Step 6: Final answer
    x = 59,926.54

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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.