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Finding the Fourth Proportional to 251,342.39, 377,010.30 and 61,804.40

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Solution

The fourth proportional to 251,342.39, 377,010.30 and 61,804.40 is: 92,705.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,342.39 : 377,010.30 = 61,804.40 : x
  2. Step 2: Convert to fraction form
    251,342.39/377,010.30 = 61,804.40/x
  3. Step 3: Cross multiply
    251,342.39x = 377,010.30 × 61,804.40
  4. Step 4: Simplify right side
    251,342.39x = 23,300,895,385.32
  5. Step 5: Solve for x
    x = 23,300,895,385.32/251,342.39
  6. Step 6: Final answer
    x = 92,705.79

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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.