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Finding the Fourth Proportional to 225,031.40, 337,676.70 and 84,890.60

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Solution

The fourth proportional to 225,031.40, 337,676.70 and 84,890.60 is: 127,384.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,031.40 : 337,676.70 = 84,890.60 : x
  2. Step 2: Convert to fraction form
    225,031.40/337,676.70 = 84,890.60/x
  3. Step 3: Cross multiply
    225,031.40x = 337,676.70 × 84,890.60
  4. Step 4: Simplify right side
    225,031.40x = 28,665,577,669.02
  5. Step 5: Solve for x
    x = 28,665,577,669.02/225,031.40
  6. Step 6: Final answer
    x = 127,384.79

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1.5x scale

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.