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Finding the Fourth Proportional to 237,687.75, 328,009.10 and 130,262.04

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Solution

The fourth proportional to 237,687.75, 328,009.10 and 130,262.04 is: 179,761.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,687.75 : 328,009.10 = 130,262.04 : x
  2. Step 2: Convert to fraction form
    237,687.75/328,009.10 = 130,262.04/x
  3. Step 3: Cross multiply
    237,687.75x = 328,009.10 × 130,262.04
  4. Step 4: Simplify right side
    237,687.75x = 42,727,133,853.25
  5. Step 5: Solve for x
    x = 42,727,133,853.25/237,687.75
  6. Step 6: Final answer
    x = 179,761.62

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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.