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Finding the Fourth Proportional to 98,179.84, 135,484.56 and 60,003.28

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Solution

The fourth proportional to 98,179.84, 135,484.56 and 60,003.28 is: 82,802.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,179.84 : 135,484.56 = 60,003.28 : x
  2. Step 2: Convert to fraction form
    98,179.84/135,484.56 = 60,003.28/x
  3. Step 3: Cross multiply
    98,179.84x = 135,484.56 × 60,003.28
  4. Step 4: Simplify right side
    98,179.84x = 8,129,517,989.36
  5. Step 5: Solve for x
    x = 8,129,517,989.36/98,179.84
  6. Step 6: Final answer
    x = 82,802.31

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Why These Related Problems?

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