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Finding the Fourth Proportional to 226,108.92, 312,014.70 and 125,499

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Solution

The fourth proportional to 226,108.92, 312,014.70 and 125,499 is: 173,179.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,108.92 : 312,014.70 = 125,499 : x
  2. Step 2: Convert to fraction form
    226,108.92/312,014.70 = 125,499/x
  3. Step 3: Cross multiply
    226,108.92x = 312,014.70 × 125,499
  4. Step 4: Simplify right side
    226,108.92x = 39,157,532,835.30
  5. Step 5: Solve for x
    x = 39,157,532,835.30/226,108.92
  6. Step 6: Final answer
    x = 173,179.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.