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Finding the Fourth Proportional to 251,019.04, 376,418 and 117,937.12

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Solution

The fourth proportional to 251,019.04, 376,418 and 117,937.12 is: 176,853.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,019.04 : 376,418 = 117,937.12 : x
  2. Step 2: Convert to fraction form
    251,019.04/376,418 = 117,937.12/x
  3. Step 3: Cross multiply
    251,019.04x = 376,418 × 117,937.12
  4. Step 4: Simplify right side
    251,019.04x = 44,393,654,836.16
  5. Step 5: Solve for x
    x = 44,393,654,836.16/251,019.04
  6. Step 6: Final answer
    x = 176,853.74

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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.