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Finding the Fourth Proportional to 98,035.52, 146,994.03 and 43,990.34

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Solution

The fourth proportional to 98,035.52, 146,994.03 and 43,990.34 is: 65,958.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,035.52 : 146,994.03 = 43,990.34 : x
  2. Step 2: Convert to fraction form
    98,035.52/146,994.03 = 43,990.34/x
  3. Step 3: Cross multiply
    98,035.52x = 146,994.03 × 43,990.34
  4. Step 4: Simplify right side
    98,035.52x = 6,466,316,622.70
  5. Step 5: Solve for x
    x = 6,466,316,622.70/98,035.52
  6. Step 6: Final answer
    x = 65,958.92

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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.