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Finding the Fourth Proportional to 237,696.62, 328,021.80 and 130,270.64

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Solution

The fourth proportional to 237,696.62, 328,021.80 and 130,270.64 is: 179,773.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,696.62 : 328,021.80 = 130,270.64 : x
  2. Step 2: Convert to fraction form
    237,696.62/328,021.80 = 130,270.64/x
  3. Step 3: Cross multiply
    237,696.62x = 328,021.80 × 130,270.64
  4. Step 4: Simplify right side
    237,696.62x = 42,731,609,819.95
  5. Step 5: Solve for x
    x = 42,731,609,819.95/237,696.62
  6. Step 6: Final answer
    x = 179,773.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.