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Finding the Fourth Proportional to 337,189.40, 505,455.40 and 134,725.16

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Solution

The fourth proportional to 337,189.40, 505,455.40 and 134,725.16 is: 201,956.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,189.40 : 505,455.40 = 134,725.16 : x
  2. Step 2: Convert to fraction form
    337,189.40/505,455.40 = 134,725.16/x
  3. Step 3: Cross multiply
    337,189.40x = 505,455.40 × 134,725.16
  4. Step 4: Simplify right side
    337,189.40x = 68,097,559,637.86
  5. Step 5: Solve for x
    x = 68,097,559,637.86/337,189.40
  6. Step 6: Final answer
    x = 201,956.41

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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.