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Finding the Fourth Proportional to 109,109.82, 150,535.35 and 88,932

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Solution

The fourth proportional to 109,109.82, 150,535.35 and 88,932 is: 122,696.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,109.82 : 150,535.35 = 88,932 : x
  2. Step 2: Convert to fraction form
    109,109.82/150,535.35 = 88,932/x
  3. Step 3: Cross multiply
    109,109.82x = 150,535.35 × 88,932
  4. Step 4: Simplify right side
    109,109.82x = 13,387,409,746.20
  5. Step 5: Solve for x
    x = 13,387,409,746.20/109,109.82
  6. Step 6: Final answer
    x = 122,696.65

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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.