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Finding the Fourth Proportional to 237,805.31, 328,162.61 and 130,372.98

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Solution

The fourth proportional to 237,805.31, 328,162.61 and 130,372.98 is: 179,909.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,805.31 : 328,162.61 = 130,372.98 : x
  2. Step 2: Convert to fraction form
    237,805.31/328,162.61 = 130,372.98/x
  3. Step 3: Cross multiply
    237,805.31x = 328,162.61 × 130,372.98
  4. Step 4: Simplify right side
    237,805.31x = 42,783,537,716.21
  5. Step 5: Solve for x
    x = 42,783,537,716.21/237,805.31
  6. Step 6: Final answer
    x = 179,909.94

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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.