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Finding the Fourth Proportional to 125,975.91, 173,843.87 and 68,613.63

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Solution

The fourth proportional to 125,975.91, 173,843.87 and 68,613.63 is: 94,685.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,975.91 : 173,843.87 = 68,613.63 : x
  2. Step 2: Convert to fraction form
    125,975.91/173,843.87 = 68,613.63/x
  3. Step 3: Cross multiply
    125,975.91x = 173,843.87 × 68,613.63
  4. Step 4: Simplify right side
    125,975.91x = 11,928,059,342.79
  5. Step 5: Solve for x
    x = 11,928,059,342.79/125,975.91
  6. Step 6: Final answer
    x = 94,685.24

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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.