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Finding the Fourth Proportional to 252,626.16, 348,626.52 and 139,446.48

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Solution

The fourth proportional to 252,626.16, 348,626.52 and 139,446.48 is: 192,437.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,626.16 : 348,626.52 = 139,446.48 : x
  2. Step 2: Convert to fraction form
    252,626.16/348,626.52 = 139,446.48/x
  3. Step 3: Cross multiply
    252,626.16x = 348,626.52 × 139,446.48
  4. Step 4: Simplify right side
    252,626.16x = 48,614,741,048.65
  5. Step 5: Solve for x
    x = 48,614,741,048.65/252,626.16
  6. Step 6: Final answer
    x = 192,437.48

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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.