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Finding the Fourth Proportional to 226,220.50, 312,184.29 and 125,618.50

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Solution

The fourth proportional to 226,220.50, 312,184.29 and 125,618.50 is: 173,353.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,220.50 : 312,184.29 = 125,618.50 : x
  2. Step 2: Convert to fraction form
    226,220.50/312,184.29 = 125,618.50/x
  3. Step 3: Cross multiply
    226,220.50x = 312,184.29 × 125,618.50
  4. Step 4: Simplify right side
    226,220.50x = 39,216,122,233.37
  5. Step 5: Solve for x
    x = 39,216,122,233.37/226,220.50
  6. Step 6: Final answer
    x = 173,353.53

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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.