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Finding the Fourth Proportional to 154,216.98, 231,348.51 and 49,039.38

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Solution

The fourth proportional to 154,216.98, 231,348.51 and 49,039.38 is: 73,566.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,216.98 : 231,348.51 = 49,039.38 : x
  2. Step 2: Convert to fraction form
    154,216.98/231,348.51 = 49,039.38/x
  3. Step 3: Cross multiply
    154,216.98x = 231,348.51 × 49,039.38
  4. Step 4: Simplify right side
    154,216.98x = 11,345,187,494.32
  5. Step 5: Solve for x
    x = 11,345,187,494.32/154,216.98
  6. Step 6: Final answer
    x = 73,566.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.