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Finding the Fourth Proportional to 252,562.50, 348,541.11 and 139,382.82

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Solution

The fourth proportional to 252,562.50, 348,541.11 and 139,382.82 is: 192,350.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,562.50 : 348,541.11 = 139,382.82 : x
  2. Step 2: Convert to fraction form
    252,562.50/348,541.11 = 139,382.82/x
  3. Step 3: Cross multiply
    252,562.50x = 348,541.11 × 139,382.82
  4. Step 4: Simplify right side
    252,562.50x = 48,580,642,797.73
  5. Step 5: Solve for x
    x = 48,580,642,797.73/252,562.50
  6. Step 6: Final answer
    x = 192,350.97

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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.