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Finding the Fourth Proportional to 226,302.62, 312,297.72 and 124,334.64

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Solution

The fourth proportional to 226,302.62, 312,297.72 and 124,334.64 is: 171,581.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,302.62 : 312,297.72 = 124,334.64 : x
  2. Step 2: Convert to fraction form
    226,302.62/312,297.72 = 124,334.64/x
  3. Step 3: Cross multiply
    226,302.62x = 312,297.72 × 124,334.64
  4. Step 4: Simplify right side
    226,302.62x = 38,829,424,589.02
  5. Step 5: Solve for x
    x = 38,829,424,589.02/226,302.62
  6. Step 6: Final answer
    x = 171,581.86

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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.