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Finding the Fourth Proportional to 134,487.45, 185,419.25 and 110,198.11

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Solution

The fourth proportional to 134,487.45, 185,419.25 and 110,198.11 is: 151,931.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,487.45 : 185,419.25 = 110,198.11 : x
  2. Step 2: Convert to fraction form
    134,487.45/185,419.25 = 110,198.11/x
  3. Step 3: Cross multiply
    134,487.45x = 185,419.25 × 110,198.11
  4. Step 4: Simplify right side
    134,487.45x = 20,432,850,356.63
  5. Step 5: Solve for x
    x = 20,432,850,356.63/134,487.45
  6. Step 6: Final answer
    x = 151,931.28

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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.