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Finding the Fourth Proportional to 250,376.69, 375,137.15 and 178,934.32

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Solution

The fourth proportional to 250,376.69, 375,137.15 and 178,934.32 is: 268,095.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,376.69 : 375,137.15 = 178,934.32 : x
  2. Step 2: Convert to fraction form
    250,376.69/375,137.15 = 178,934.32/x
  3. Step 3: Cross multiply
    250,376.69x = 375,137.15 × 178,934.32
  4. Step 4: Simplify right side
    250,376.69x = 67,124,910,416.24
  5. Step 5: Solve for x
    x = 67,124,910,416.24/250,376.69
  6. Step 6: Final answer
    x = 268,095.68

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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.