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Finding the Fourth Proportional to 268,458.79, 370,451.22 and 158,060.01

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Solution

The fourth proportional to 268,458.79, 370,451.22 and 158,060.01 is: 218,109.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,458.79 : 370,451.22 = 158,060.01 : x
  2. Step 2: Convert to fraction form
    268,458.79/370,451.22 = 158,060.01/x
  3. Step 3: Cross multiply
    268,458.79x = 370,451.22 × 158,060.01
  4. Step 4: Simplify right side
    268,458.79x = 58,553,524,311.61
  5. Step 5: Solve for x
    x = 58,553,524,311.61/268,458.79
  6. Step 6: Final answer
    x = 218,109.91

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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.