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Finding the Fourth Proportional to 134,102.96, 185,062.20 and 73,673.72

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Solution

The fourth proportional to 134,102.96, 185,062.20 and 73,673.72 is: 101,669.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,102.96 : 185,062.20 = 73,673.72 : x
  2. Step 2: Convert to fraction form
    134,102.96/185,062.20 = 73,673.72/x
  3. Step 3: Cross multiply
    134,102.96x = 185,062.20 × 73,673.72
  4. Step 4: Simplify right side
    134,102.96x = 13,634,219,780.07
  5. Step 5: Solve for x
    x = 13,634,219,780.07/134,102.96
  6. Step 6: Final answer
    x = 101,669.79

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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.