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Finding the Fourth Proportional to 111,633.36, 154,057.32 and 63,902.04

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Solution

The fourth proportional to 111,633.36, 154,057.32 and 63,902.04 is: 88,186.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,633.36 : 154,057.32 = 63,902.04 : x
  2. Step 2: Convert to fraction form
    111,633.36/154,057.32 = 63,902.04/x
  3. Step 3: Cross multiply
    111,633.36x = 154,057.32 × 63,902.04
  4. Step 4: Simplify right side
    111,633.36x = 9,844,577,024.93
  5. Step 5: Solve for x
    x = 9,844,577,024.93/111,633.36
  6. Step 6: Final answer
    x = 88,186.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.