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Finding the Fourth Proportional to 111,473.54, 153,961.25 and 73,403.29

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Solution

The fourth proportional to 111,473.54, 153,961.25 and 73,403.29 is: 101,380.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,473.54 : 153,961.25 = 73,403.29 : x
  2. Step 2: Convert to fraction form
    111,473.54/153,961.25 = 73,403.29/x
  3. Step 3: Cross multiply
    111,473.54x = 153,961.25 × 73,403.29
  4. Step 4: Simplify right side
    111,473.54x = 11,301,262,282.51
  5. Step 5: Solve for x
    x = 11,301,262,282.51/111,473.54
  6. Step 6: Final answer
    x = 101,380.67

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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.