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Finding the Fourth Proportional to 243,841.74, 336,488.04 and 136,391.04

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Solution

The fourth proportional to 243,841.74, 336,488.04 and 136,391.04 is: 188,212.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,841.74 : 336,488.04 = 136,391.04 : x
  2. Step 2: Convert to fraction form
    243,841.74/336,488.04 = 136,391.04/x
  3. Step 3: Cross multiply
    243,841.74x = 336,488.04 × 136,391.04
  4. Step 4: Simplify right side
    243,841.74x = 45,893,953,723.16
  5. Step 5: Solve for x
    x = 45,893,953,723.16/243,841.74
  6. Step 6: Final answer
    x = 188,212.05

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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.