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Finding the Fourth Proportional to 104,032.32, 143,111.04 and 91,227.84

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Solution

The fourth proportional to 104,032.32, 143,111.04 and 91,227.84 is: 125,496.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,032.32 : 143,111.04 = 91,227.84 : x
  2. Step 2: Convert to fraction form
    104,032.32/143,111.04 = 91,227.84/x
  3. Step 3: Cross multiply
    104,032.32x = 143,111.04 × 91,227.84
  4. Step 4: Simplify right side
    104,032.32x = 13,055,711,059.35
  5. Step 5: Solve for x
    x = 13,055,711,059.35/104,032.32
  6. Step 6: Final answer
    x = 125,496.68

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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.