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Finding the Fourth Proportional to 269,900.50, 372,495.50 and 156,723.25

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Solution

The fourth proportional to 269,900.50, 372,495.50 and 156,723.25 is: 216,297.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,900.50 : 372,495.50 = 156,723.25 : x
  2. Step 2: Convert to fraction form
    269,900.50/372,495.50 = 156,723.25/x
  3. Step 3: Cross multiply
    269,900.50x = 372,495.50 × 156,723.25
  4. Step 4: Simplify right side
    269,900.50x = 58,378,705,370.38
  5. Step 5: Solve for x
    x = 58,378,705,370.38/269,900.50
  6. Step 6: Final answer
    x = 216,297.14

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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.