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Finding the Fourth Proportional to 250,915.86, 376,131.87 and 84,613.14

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Solution

The fourth proportional to 250,915.86, 376,131.87 and 84,613.14 is: 126,838.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,915.86 : 376,131.87 = 84,613.14 : x
  2. Step 2: Convert to fraction form
    250,915.86/376,131.87 = 84,613.14/x
  3. Step 3: Cross multiply
    250,915.86x = 376,131.87 × 84,613.14
  4. Step 4: Simplify right side
    250,915.86x = 31,825,698,574.77
  5. Step 5: Solve for x
    x = 31,825,698,574.77/250,915.86
  6. Step 6: Final answer
    x = 126,838.13

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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.