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Finding the Fourth Proportional to 114,007.32, 171,045.54 and 80,791.64

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Solution

The fourth proportional to 114,007.32, 171,045.54 and 80,791.64 is: 121,211.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,007.32 : 171,045.54 = 80,791.64 : x
  2. Step 2: Convert to fraction form
    114,007.32/171,045.54 = 80,791.64/x
  3. Step 3: Cross multiply
    114,007.32x = 171,045.54 × 80,791.64
  4. Step 4: Simplify right side
    114,007.32x = 13,819,049,691.29
  5. Step 5: Solve for x
    x = 13,819,049,691.29/114,007.32
  6. Step 6: Final answer
    x = 121,211.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.