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Finding the Fourth Proportional to 109,010.82, 150,373.38 and 68,655.24

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Solution

The fourth proportional to 109,010.82, 150,373.38 and 68,655.24 is: 94,705.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,010.82 : 150,373.38 = 68,655.24 : x
  2. Step 2: Convert to fraction form
    109,010.82/150,373.38 = 68,655.24/x
  3. Step 3: Cross multiply
    109,010.82x = 150,373.38 × 68,655.24
  4. Step 4: Simplify right side
    109,010.82x = 10,323,920,493.51
  5. Step 5: Solve for x
    x = 10,323,920,493.51/109,010.82
  6. Step 6: Final answer
    x = 94,705.47

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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.