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Finding the Fourth Proportional to 134,676.34, 185,854.54 and 74,249.11

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Solution

The fourth proportional to 134,676.34, 185,854.54 and 74,249.11 is: 102,464.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,676.34 : 185,854.54 = 74,249.11 : x
  2. Step 2: Convert to fraction form
    134,676.34/185,854.54 = 74,249.11/x
  3. Step 3: Cross multiply
    134,676.34x = 185,854.54 × 74,249.11
  4. Step 4: Simplify right side
    134,676.34x = 13,799,534,184.46
  5. Step 5: Solve for x
    x = 13,799,534,184.46/134,676.34
  6. Step 6: Final answer
    x = 102,464.43

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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.