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Finding the Fourth Proportional to 243,434.58, 335,882.15 and 141,399.41

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Solution

The fourth proportional to 243,434.58, 335,882.15 and 141,399.41 is: 195,097.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,434.58 : 335,882.15 = 141,399.41 : x
  2. Step 2: Convert to fraction form
    243,434.58/335,882.15 = 141,399.41/x
  3. Step 3: Cross multiply
    243,434.58x = 335,882.15 × 141,399.41
  4. Step 4: Simplify right side
    243,434.58x = 47,493,537,607.58
  5. Step 5: Solve for x
    x = 47,493,537,607.58/243,434.58
  6. Step 6: Final answer
    x = 195,097.74

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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.