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Finding the Fourth Proportional to 158,602.89, 218,882.07 and 104,793.51

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Solution

The fourth proportional to 158,602.89, 218,882.07 and 104,793.51 is: 144,621.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,602.89 : 218,882.07 = 104,793.51 : x
  2. Step 2: Convert to fraction form
    158,602.89/218,882.07 = 104,793.51/x
  3. Step 3: Cross multiply
    158,602.89x = 218,882.07 × 104,793.51
  4. Step 4: Simplify right side
    158,602.89x = 22,937,420,391.37
  5. Step 5: Solve for x
    x = 22,937,420,391.37/158,602.89
  6. Step 6: Final answer
    x = 144,621.71

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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.