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Finding the Fourth Proportional to 283,751.90, 425,627.85 and 125,812.70

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Solution

The fourth proportional to 283,751.90, 425,627.85 and 125,812.70 is: 188,719.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,751.90 : 425,627.85 = 125,812.70 : x
  2. Step 2: Convert to fraction form
    283,751.90/425,627.85 = 125,812.70/x
  3. Step 3: Cross multiply
    283,751.90x = 425,627.85 × 125,812.70
  4. Step 4: Simplify right side
    283,751.90x = 53,549,389,003.70
  5. Step 5: Solve for x
    x = 53,549,389,003.70/283,751.90
  6. Step 6: Final answer
    x = 188,719.05

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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.