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Finding the Fourth Proportional to 243,818.69, 336,537.41 and 141,863.84

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Solution

The fourth proportional to 243,818.69, 336,537.41 and 141,863.84 is: 195,811.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,818.69 : 336,537.41 = 141,863.84 : x
  2. Step 2: Convert to fraction form
    243,818.69/336,537.41 = 141,863.84/x
  3. Step 3: Cross multiply
    243,818.69x = 336,537.41 × 141,863.84
  4. Step 4: Simplify right side
    243,818.69x = 47,742,488,156.26
  5. Step 5: Solve for x
    x = 47,742,488,156.26/243,818.69
  6. Step 6: Final answer
    x = 195,811.44

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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.