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Finding the Fourth Proportional to 243,791.94, 336,505.08 and 141,863.46

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Solution

The fourth proportional to 243,791.94, 336,505.08 and 141,863.46 is: 195,813.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,791.94 : 336,505.08 = 141,863.46 : x
  2. Step 2: Convert to fraction form
    243,791.94/336,505.08 = 141,863.46/x
  3. Step 3: Cross multiply
    243,791.94x = 336,505.08 × 141,863.46
  4. Step 4: Simplify right side
    243,791.94x = 47,737,774,956.38
  5. Step 5: Solve for x
    x = 47,737,774,956.38/243,791.94
  6. Step 6: Final answer
    x = 195,813.59

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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.