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Finding the Fourth Proportional to 251,411.88, 377,129.43 and 82,946.92

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Solution

The fourth proportional to 251,411.88, 377,129.43 and 82,946.92 is: 124,424.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,411.88 : 377,129.43 = 82,946.92 : x
  2. Step 2: Convert to fraction form
    251,411.88/377,129.43 = 82,946.92/x
  3. Step 3: Cross multiply
    251,411.88x = 377,129.43 × 82,946.92
  4. Step 4: Simplify right side
    251,411.88x = 31,281,724,659.86
  5. Step 5: Solve for x
    x = 31,281,724,659.86/251,411.88
  6. Step 6: Final answer
    x = 124,424.21

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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.