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Finding the Fourth Proportional to 164,003.10, 246,119.85 and 70,575.90

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Solution

The fourth proportional to 164,003.10, 246,119.85 and 70,575.90 is: 105,913.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,003.10 : 246,119.85 = 70,575.90 : x
  2. Step 2: Convert to fraction form
    164,003.10/246,119.85 = 70,575.90/x
  3. Step 3: Cross multiply
    164,003.10x = 246,119.85 × 70,575.90
  4. Step 4: Simplify right side
    164,003.10x = 17,370,129,921.62
  5. Step 5: Solve for x
    x = 17,370,129,921.62/164,003.10
  6. Step 6: Final answer
    x = 105,913.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.