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Finding the Fourth Proportional to 252,790.56, 348,848.64 and 139,614.72

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Solution

The fourth proportional to 252,790.56, 348,848.64 and 139,614.72 is: 192,667.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,790.56 : 348,848.64 = 139,614.72 : x
  2. Step 2: Convert to fraction form
    252,790.56/348,848.64 = 139,614.72/x
  3. Step 3: Cross multiply
    252,790.56x = 348,848.64 × 139,614.72
  4. Step 4: Simplify right side
    252,790.56x = 48,704,405,195.98
  5. Step 5: Solve for x
    x = 48,704,405,195.98/252,790.56
  6. Step 6: Final answer
    x = 192,667.03

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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.