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Finding the Fourth Proportional to 179,213.40, 268,965.90 and 173,381.40

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Solution

The fourth proportional to 179,213.40, 268,965.90 and 173,381.40 is: 260,213.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,213.40 : 268,965.90 = 173,381.40 : x
  2. Step 2: Convert to fraction form
    179,213.40/268,965.90 = 173,381.40/x
  3. Step 3: Cross multiply
    179,213.40x = 268,965.90 × 173,381.40
  4. Step 4: Simplify right side
    179,213.40x = 46,633,684,294.26
  5. Step 5: Solve for x
    x = 46,633,684,294.26/179,213.40
  6. Step 6: Final answer
    x = 260,213.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.