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Finding the Fourth Proportional to 182,409.40, 273,614.10 and 112,425.40

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Solution

The fourth proportional to 182,409.40, 273,614.10 and 112,425.40 is: 168,638.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,409.40 : 273,614.10 = 112,425.40 : x
  2. Step 2: Convert to fraction form
    182,409.40/273,614.10 = 112,425.40/x
  3. Step 3: Cross multiply
    182,409.40x = 273,614.10 × 112,425.40
  4. Step 4: Simplify right side
    182,409.40x = 30,761,174,638.14
  5. Step 5: Solve for x
    x = 30,761,174,638.14/182,409.40
  6. Step 6: Final answer
    x = 168,638.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.