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Finding the Fourth Proportional to 242,956.57, 364,540.11 and 130,505.59

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Solution

The fourth proportional to 242,956.57, 364,540.11 and 130,505.59 is: 195,814.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,956.57 : 364,540.11 = 130,505.59 : x
  2. Step 2: Convert to fraction form
    242,956.57/364,540.11 = 130,505.59/x
  3. Step 3: Cross multiply
    242,956.57x = 364,540.11 × 130,505.59
  4. Step 4: Simplify right side
    242,956.57x = 47,574,522,134.21
  5. Step 5: Solve for x
    x = 47,574,522,134.21/242,956.57
  6. Step 6: Final answer
    x = 195,814.92

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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.