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Finding the Fourth Proportional to 237,807.61, 328,174.43 and 130,375.33

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Solution

The fourth proportional to 237,807.61, 328,174.43 and 130,375.33 is: 179,917.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,807.61 : 328,174.43 = 130,375.33 : x
  2. Step 2: Convert to fraction form
    237,807.61/328,174.43 = 130,375.33/x
  3. Step 3: Cross multiply
    237,807.61x = 328,174.43 × 130,375.33
  4. Step 4: Simplify right side
    237,807.61x = 42,785,848,136.50
  5. Step 5: Solve for x
    x = 42,785,848,136.50/237,807.61
  6. Step 6: Final answer
    x = 179,917.91

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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.