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Finding the Fourth Proportional to 225,101.70, 337,652.55 and 141,120.90

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Solution

The fourth proportional to 225,101.70, 337,652.55 and 141,120.90 is: 211,681.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,101.70 : 337,652.55 = 141,120.90 : x
  2. Step 2: Convert to fraction form
    225,101.70/337,652.55 = 141,120.90/x
  3. Step 3: Cross multiply
    225,101.70x = 337,652.55 × 141,120.90
  4. Step 4: Simplify right side
    225,101.70x = 47,649,831,743.30
  5. Step 5: Solve for x
    x = 47,649,831,743.30/225,101.70
  6. Step 6: Final answer
    x = 211,681.35

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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.