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Finding the Fourth Proportional to 227,619.15, 314,114.49 and 125,644.67

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Solution

The fourth proportional to 227,619.15, 314,114.49 and 125,644.67 is: 173,389.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,619.15 : 314,114.49 = 125,644.67 : x
  2. Step 2: Convert to fraction form
    227,619.15/314,114.49 = 125,644.67/x
  3. Step 3: Cross multiply
    227,619.15x = 314,114.49 × 125,644.67
  4. Step 4: Simplify right side
    227,619.15x = 39,466,812,370.80
  5. Step 5: Solve for x
    x = 39,466,812,370.80/227,619.15
  6. Step 6: Final answer
    x = 173,389.68

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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.