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Finding the Fourth Proportional to 252,562.62, 348,526.23 and 139,383.90

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Solution

The fourth proportional to 252,562.62, 348,526.23 and 139,383.90 is: 192,344.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,562.62 : 348,526.23 = 139,383.90 : x
  2. Step 2: Convert to fraction form
    252,562.62/348,526.23 = 139,383.90/x
  3. Step 3: Cross multiply
    252,562.62x = 348,526.23 × 139,383.90
  4. Step 4: Simplify right side
    252,562.62x = 48,578,945,189.70
  5. Step 5: Solve for x
    x = 48,578,945,189.70/252,562.62
  6. Step 6: Final answer
    x = 192,344.16

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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.