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Finding the Fourth Proportional to 134,209.01, 185,201.31 and 73,768.02

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Solution

The fourth proportional to 134,209.01, 185,201.31 and 73,768.02 is: 101,795.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,209.01 : 185,201.31 = 73,768.02 : x
  2. Step 2: Convert to fraction form
    134,209.01/185,201.31 = 73,768.02/x
  3. Step 3: Cross multiply
    134,209.01x = 185,201.31 × 73,768.02
  4. Step 4: Simplify right side
    134,209.01x = 13,661,934,486.74
  5. Step 5: Solve for x
    x = 13,661,934,486.74/134,209.01
  6. Step 6: Final answer
    x = 101,795.95

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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.