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Finding the Fourth Proportional to 98,361.86, 147,506.60 and 35,164.92

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Solution

The fourth proportional to 98,361.86, 147,506.60 and 35,164.92 is: 52,734.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,361.86 : 147,506.60 = 35,164.92 : x
  2. Step 2: Convert to fraction form
    98,361.86/147,506.60 = 35,164.92/x
  3. Step 3: Cross multiply
    98,361.86x = 147,506.60 × 35,164.92
  4. Step 4: Simplify right side
    98,361.86x = 5,187,057,788.47
  5. Step 5: Solve for x
    x = 5,187,057,788.47/98,361.86
  6. Step 6: Final answer
    x = 52,734.44

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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.