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Finding the Fourth Proportional to 98,190.72, 147,286.08 and 24,318.72

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Solution

The fourth proportional to 98,190.72, 147,286.08 and 24,318.72 is: 36,478.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,190.72 : 147,286.08 = 24,318.72 : x
  2. Step 2: Convert to fraction form
    98,190.72/147,286.08 = 24,318.72/x
  3. Step 3: Cross multiply
    98,190.72x = 147,286.08 × 24,318.72
  4. Step 4: Simplify right side
    98,190.72x = 3,581,808,939.42
  5. Step 5: Solve for x
    x = 3,581,808,939.42/98,190.72
  6. Step 6: Final answer
    x = 36,478.08

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Similar ratio
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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.