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Finding the Fourth Proportional to 177,029.80, 265,371.90 and 158,367.40

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Solution

The fourth proportional to 177,029.80, 265,371.90 and 158,367.40 is: 237,396.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,029.80 : 265,371.90 = 158,367.40 : x
  2. Step 2: Convert to fraction form
    177,029.80/265,371.90 = 158,367.40/x
  3. Step 3: Cross multiply
    177,029.80x = 265,371.90 × 158,367.40
  4. Step 4: Simplify right side
    177,029.80x = 42,026,257,836.06
  5. Step 5: Solve for x
    x = 42,026,257,836.06/177,029.80
  6. Step 6: Final answer
    x = 237,396.52

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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.