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Finding the Fourth Proportional to 252,358.57, 348,292.61 and 161,816.77

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Solution

The fourth proportional to 252,358.57, 348,292.61 and 161,816.77 is: 223,331.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,358.57 : 348,292.61 = 161,816.77 : x
  2. Step 2: Convert to fraction form
    252,358.57/348,292.61 = 161,816.77/x
  3. Step 3: Cross multiply
    252,358.57x = 348,292.61 × 161,816.77
  4. Step 4: Simplify right side
    252,358.57x = 56,359,585,398.16
  5. Step 5: Solve for x
    x = 56,359,585,398.16/252,358.57
  6. Step 6: Final answer
    x = 223,331.37

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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.