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Finding the Fourth Proportional to 251,295.66, 376,585.65 and 124,811.96

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Solution

The fourth proportional to 251,295.66, 376,585.65 and 124,811.96 is: 187,040.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,295.66 : 376,585.65 = 124,811.96 : x
  2. Step 2: Convert to fraction form
    251,295.66/376,585.65 = 124,811.96/x
  3. Step 3: Cross multiply
    251,295.66x = 376,585.65 × 124,811.96
  4. Step 4: Simplify right side
    251,295.66x = 47,002,391,201.45
  5. Step 5: Solve for x
    x = 47,002,391,201.45/251,295.66
  6. Step 6: Final answer
    x = 187,040.20

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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.