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Finding the Fourth Proportional to 251,117.94, 376,356.52 and 117,704.26

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Solution

The fourth proportional to 251,117.94, 376,356.52 and 117,704.26 is: 176,406.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,117.94 : 376,356.52 = 117,704.26 : x
  2. Step 2: Convert to fraction form
    251,117.94/376,356.52 = 117,704.26/x
  3. Step 3: Cross multiply
    251,117.94x = 376,356.52 × 117,704.26
  4. Step 4: Simplify right side
    251,117.94x = 44,298,763,212.47
  5. Step 5: Solve for x
    x = 44,298,763,212.47/251,117.94
  6. Step 6: Final answer
    x = 176,406.21

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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.