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Finding the Fourth Proportional to 75,326.84, 103,951.52 and 43,495.64

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Solution

The fourth proportional to 75,326.84, 103,951.52 and 43,495.64 is: 60,024.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,326.84 : 103,951.52 = 43,495.64 : x
  2. Step 2: Convert to fraction form
    75,326.84/103,951.52 = 43,495.64/x
  3. Step 3: Cross multiply
    75,326.84x = 103,951.52 × 43,495.64
  4. Step 4: Simplify right side
    75,326.84x = 4,521,437,891.37
  5. Step 5: Solve for x
    x = 4,521,437,891.37/75,326.84
  6. Step 6: Final answer
    x = 60,024.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.