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Finding the Fourth Proportional to 158,093.72, 218,106.96 and 97,558.88

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Solution

The fourth proportional to 158,093.72, 218,106.96 and 97,558.88 is: 134,592.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,093.72 : 218,106.96 = 97,558.88 : x
  2. Step 2: Convert to fraction form
    158,093.72/218,106.96 = 97,558.88/x
  3. Step 3: Cross multiply
    158,093.72x = 218,106.96 × 97,558.88
  4. Step 4: Simplify right side
    158,093.72x = 21,278,270,737.80
  5. Step 5: Solve for x
    x = 21,278,270,737.80/158,093.72
  6. Step 6: Final answer
    x = 134,592.76

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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.