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Finding the Fourth Proportional to 203,373.96, 280,561.14 and 127,964.04

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Solution

The fourth proportional to 203,373.96, 280,561.14 and 127,964.04 is: 176,530.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,373.96 : 280,561.14 = 127,964.04 : x
  2. Step 2: Convert to fraction form
    203,373.96/280,561.14 = 127,964.04/x
  3. Step 3: Cross multiply
    203,373.96x = 280,561.14 × 127,964.04
  4. Step 4: Simplify right side
    203,373.96x = 35,901,736,941.41
  5. Step 5: Solve for x
    x = 35,901,736,941.41/203,373.96
  6. Step 6: Final answer
    x = 176,530.65

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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.