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Finding the Fourth Proportional to 252,280.96, 348,143.27 and 137,560.50

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Solution

The fourth proportional to 252,280.96, 348,143.27 and 137,560.50 is: 189,831.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,280.96 : 348,143.27 = 137,560.50 : x
  2. Step 2: Convert to fraction form
    252,280.96/348,143.27 = 137,560.50/x
  3. Step 3: Cross multiply
    252,280.96x = 348,143.27 × 137,560.50
  4. Step 4: Simplify right side
    252,280.96x = 47,890,761,605.03
  5. Step 5: Solve for x
    x = 47,890,761,605.03/252,280.96
  6. Step 6: Final answer
    x = 189,831.06

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