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Finding the Fourth Proportional to 315,851.85, 473,725.87 and 113,406.04

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Solution

The fourth proportional to 315,851.85, 473,725.87 and 113,406.04 is: 170,090.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,851.85 : 473,725.87 = 113,406.04 : x
  2. Step 2: Convert to fraction form
    315,851.85/473,725.87 = 113,406.04/x
  3. Step 3: Cross multiply
    315,851.85x = 473,725.87 × 113,406.04
  4. Step 4: Simplify right side
    315,851.85x = 53,723,375,130.09
  5. Step 5: Solve for x
    x = 53,723,375,130.09/315,851.85
  6. Step 6: Final answer
    x = 170,090.43

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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.