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Finding the Fourth Proportional to 158,618.79, 218,912.22 and 94,956.57

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Solution

The fourth proportional to 158,618.79, 218,912.22 and 94,956.57 is: 131,051.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,618.79 : 218,912.22 = 94,956.57 : x
  2. Step 2: Convert to fraction form
    158,618.79/218,912.22 = 94,956.57/x
  3. Step 3: Cross multiply
    158,618.79x = 218,912.22 × 94,956.57
  4. Step 4: Simplify right side
    158,618.79x = 20,787,153,542.29
  5. Step 5: Solve for x
    x = 20,787,153,542.29/158,618.79
  6. Step 6: Final answer
    x = 131,051.02

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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.