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Finding the Fourth Proportional to 237,706.66, 328,037.79 and 130,274.38

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Solution

The fourth proportional to 237,706.66, 328,037.79 and 130,274.38 is: 179,780.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,706.66 : 328,037.79 = 130,274.38 : x
  2. Step 2: Convert to fraction form
    237,706.66/328,037.79 = 130,274.38/x
  3. Step 3: Cross multiply
    237,706.66x = 328,037.79 × 130,274.38
  4. Step 4: Simplify right side
    237,706.66x = 42,734,919,708.82
  5. Step 5: Solve for x
    x = 42,734,919,708.82/237,706.66
  6. Step 6: Final answer
    x = 179,780.07

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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.