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Finding the Fourth Proportional to 134,796.80, 201,795.84 and 99,893.12

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Solution

The fourth proportional to 134,796.80, 201,795.84 and 99,893.12 is: 149,543.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,796.80 : 201,795.84 = 99,893.12 : x
  2. Step 2: Convert to fraction form
    134,796.80/201,795.84 = 99,893.12/x
  3. Step 3: Cross multiply
    134,796.80x = 201,795.84 × 99,893.12
  4. Step 4: Simplify right side
    134,796.80x = 20,158,016,060.62
  5. Step 5: Solve for x
    x = 20,158,016,060.62/134,796.80
  6. Step 6: Final answer
    x = 149,543.73

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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.