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Finding the Fourth Proportional to 310,903.43, 466,606.51 and 161,186.56

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Solution

The fourth proportional to 310,903.43, 466,606.51 and 161,186.56 is: 241,910.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,903.43 : 466,606.51 = 161,186.56 : x
  2. Step 2: Convert to fraction form
    310,903.43/466,606.51 = 161,186.56/x
  3. Step 3: Cross multiply
    310,903.43x = 466,606.51 × 161,186.56
  4. Step 4: Simplify right side
    310,903.43x = 75,210,696,651.02
  5. Step 5: Solve for x
    x = 75,210,696,651.02/310,903.43
  6. Step 6: Final answer
    x = 241,910.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.