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Finding the Fourth Proportional to 250,957.71, 346,309.83 and 136,233.81

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Solution

The fourth proportional to 250,957.71, 346,309.83 and 136,233.81 is: 187,996.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,957.71 : 346,309.83 = 136,233.81 : x
  2. Step 2: Convert to fraction form
    250,957.71/346,309.83 = 136,233.81/x
  3. Step 3: Cross multiply
    250,957.71x = 346,309.83 × 136,233.81
  4. Step 4: Simplify right side
    250,957.71x = 47,179,107,581.35
  5. Step 5: Solve for x
    x = 47,179,107,581.35/250,957.71
  6. Step 6: Final answer
    x = 187,996.25

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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.