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Finding the Fourth Proportional to 114,861.40, 158,472.12 and 69,524.86

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Solution

The fourth proportional to 114,861.40, 158,472.12 and 69,524.86 is: 95,922.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,861.40 : 158,472.12 = 69,524.86 : x
  2. Step 2: Convert to fraction form
    114,861.40/158,472.12 = 69,524.86/x
  3. Step 3: Cross multiply
    114,861.40x = 158,472.12 × 69,524.86
  4. Step 4: Simplify right side
    114,861.40x = 11,017,751,956.90
  5. Step 5: Solve for x
    x = 11,017,751,956.90/114,861.40
  6. Step 6: Final answer
    x = 95,922.15

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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.