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Finding the Fourth Proportional to 237,871.81, 328,267.61 and 130,435.44

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Solution

The fourth proportional to 237,871.81, 328,267.61 and 130,435.44 is: 180,003.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,871.81 : 328,267.61 = 130,435.44 : x
  2. Step 2: Convert to fraction form
    237,871.81/328,267.61 = 130,435.44/x
  3. Step 3: Cross multiply
    237,871.81x = 328,267.61 × 130,435.44
  4. Step 4: Simplify right side
    237,871.81x = 42,817,728,675.25
  5. Step 5: Solve for x
    x = 42,817,728,675.25/237,871.81
  6. Step 6: Final answer
    x = 180,003.37

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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.