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Finding the Fourth Proportional to 243,954.38, 336,661.62 and 136,536.24

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Solution

The fourth proportional to 243,954.38, 336,661.62 and 136,536.24 is: 188,422.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,954.38 : 336,661.62 = 136,536.24 : x
  2. Step 2: Convert to fraction form
    243,954.38/336,661.62 = 136,536.24/x
  3. Step 3: Cross multiply
    243,954.38x = 336,661.62 × 136,536.24
  4. Step 4: Simplify right side
    243,954.38x = 45,966,511,747.11
  5. Step 5: Solve for x
    x = 45,966,511,747.11/243,954.38
  6. Step 6: Final answer
    x = 188,422.57

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1.5x scale

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.